1421433120 has 192 divisors, whose sum is σ = 4702924800. Its totient is φ = 360188928.

The previous prime is 1421433113. The next prime is 1421433127. The reversal of 1421433120 is 213341241.

1421433120 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1421433113) and next prime (1421433127).

It is a super-2 number, since 2×1421433120² = 4040944229265868800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421433127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2196637 + ... + 2197283.

It is an arithmetic number, because the mean of its divisors is an integer number (24494400).

Almost surely, 2^1421433120 is an apocalyptic number.

1421433120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421433120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2351462400).

1421433120 is an abundant number, since it is smaller than the sum of its proper divisors (3281491680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421433120 is a wasteful number, since it uses less digits than its factorization.

1421433120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1421433120 is about 37701.8980954540. The cubic root of 1421433120 is about 1124.3688627815.

Adding to 1421433120 its reverse (213341241), we get a palindrome (1634774361).

The spelling of 1421433120 in words is "one billion, four hundred twenty-one million, four hundred thirty-three thousand, one hundred twenty".