1424203121 has 48 divisors (see below), whose sum is σ = 1712415168. Its totient is φ = 1173744000.

The previous prime is 1424203111. The next prime is 1424203127. The reversal of 1424203121 is 1213024241.

It is not a de Polignac number, because 1424203121 - 2⁶ = 1424203057 is a prime.

It is a super-2 number, since 2×1424203121² = 4056709059732281282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1424203093 and 1424203102.

It is not an unprimeable number, because it can be changed into a prime (1424203127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14100971 + ... + 14101071.

It is an arithmetic number, because the mean of its divisors is an integer number (35675316).

Almost surely, 2^1424203121 is an apocalyptic number.

1424203121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1424203121 is a deficient number, since it is larger than the sum of its proper divisors (288212047).

1424203121 is a wasteful number, since it uses less digits than its factorization.

1424203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1424203121 is about 37738.6157801263. The cubic root of 1424203121 is about 1125.0987557093.

Adding to 1424203121 its reverse (1213024241), we get a palindrome (2637227362).

It can be divided in two parts, 142420 and 3121, that added together give a palindrome (145541).

The spelling of 1424203121 in words is "one billion, four hundred twenty-four million, two hundred three thousand, one hundred twenty-one".