1052431402 has 32 divisors (see below), whose sum is σ = 1793664000. Its totient is φ = 458740800.

The previous prime is 1052431399. The next prime is 1052431421. The reversal of 1052431402 is 2041342501.

It is a super-2 number, since 2×1052431402² = 2215223711831371208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 89527 + ... + 100597.

It is an arithmetic number, because the mean of its divisors is an integer number (56052000).

Almost surely, 2^1052431402 is an apocalyptic number.

1052431402 is a deficient number, since it is larger than the sum of its proper divisors (741232598).

1052431402 is a wasteful number, since it uses less digits than its factorization.

1052431402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11262.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1052431402 is about 32441.1991455310. The cubic root of 1052431402 is about 1017.1802816016.

Adding to 1052431402 its reverse (2041342501), we get a palindrome (3093773903).

The spelling of 1052431402 in words is "one billion, fifty-two million, four hundred thirty-one thousand, four hundred two".