1421105352 has 32 divisors (see below), whose sum is σ = 3568428000. Its totient is φ = 471613184.

The previous prime is 1421105351. The next prime is 1421105353. The reversal of 1421105352 is 2535011241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1421105351) and next prime (1421105353).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1421105351) 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 7 ways as a sum of consecutive naturals, for example, 124977 + ... + 135872.

It is an arithmetic number, because the mean of its divisors is an integer number (111513375).

Almost surely, 2^1421105352 is an apocalyptic number.

1421105352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421105352 is an abundant number, since it is smaller than the sum of its proper divisors (2147322648).

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

1421105352 is a wasteful number, since it uses less digits than its factorization.

1421105352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261085 (or 261081 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1421105352 is about 37697.5510079899. The cubic root of 1421105352 is about 1124.2824334686.

Adding to 1421105352 its reverse (2535011241), we get a palindrome (3956116593).

The spelling of 1421105352 in words is "one billion, four hundred twenty-one million, one hundred five thousand, three hundred fifty-two".