1025870862 has 32 divisors (see below), whose sum is σ = 2096160768. Its totient is φ = 334589216.

The previous prime is 1025870789. The next prime is 1025870869. The reversal of 1025870862 is 2680785201.

It is a super-2 number, since 2×1025870862² = 2104822051001246088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1025870862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025870869) 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, 117583 + ... + 126005.

It is an arithmetic number, because the mean of its divisors is an integer number (65505024).

Almost surely, 2^1025870862 is an apocalyptic number.

1025870862 is an abundant number, since it is smaller than the sum of its proper divisors (1070289906).

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

1025870862 is a wasteful number, since it uses less digits than its factorization.

1025870862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8864.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1025870862 is about 32029.2188790173. The cubic root of 1025870862 is about 1008.5503045936.

The spelling of 1025870862 in words is "one billion, twenty-five million, eight hundred seventy thousand, eight hundred sixty-two".