1052131905 has 72 divisors (see below), whose sum is σ = 2016705600. Its totient is φ = 507038400.

The previous prime is 1052131891. The next prime is 1052131907. The reversal of 1052131905 is 5091312501.

It is not a de Polignac number, because 1052131905 - 2⁶ = 1052131841 is a prime.

It is a super-2 number, since 2×1052131905² = 2213963091037858050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052131907) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1083070 + ... + 1084040.

It is an arithmetic number, because the mean of its divisors is an integer number (28009800).

Almost surely, 2^1052131905 is an apocalyptic number.

1052131905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1052131905 is a deficient number, since it is larger than the sum of its proper divisors (964573695).

1052131905 is a wasteful number, since it uses less digits than its factorization.

1052131905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 1052131905 is about 32436.5828194032. The cubic root of 1052131905 is about 1017.0837839914.

The spelling of 1052131905 in words is "one billion, fifty-two million, one hundred thirty-one thousand, nine hundred five".