1052231999 has 16 divisors (see below), whose sum is σ = 1313303040. Its totient is φ = 820804320.

The previous prime is 1052231987. The next prime is 1052232031. The reversal of 1052231999 is 9991322501.

It is not a de Polignac number, because 1052231999 - 2⁸ = 1052231743 is a prime.

It is a super-2 number, since 2×1052231999² = 2214384359439072002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052231599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74969 + ... + 87890.

It is an arithmetic number, because the mean of its divisors is an integer number (82081440).

Almost surely, 2^1052231999 is an apocalyptic number.

1052231999 is a deficient number, since it is larger than the sum of its proper divisors (261071041).

1052231999 is a wasteful number, since it uses less digits than its factorization.

1052231999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162950.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 1052231999 is about 32438.1257010944. The cubic root of 1052231999 is about 1017.1160362073.

The spelling of 1052231999 in words is "one billion, fifty-two million, two hundred thirty-one thousand, nine hundred ninety-nine".