1025602992 has 40 divisors (see below), whose sum is σ = 2943861680. Its totient is φ = 341867520.

The previous prime is 1025602967. The next prime is 1025602999. The reversal of 1025602992 is 2992065201.

It is a happy number.

1025602992 is a `hidden beast` number, since 1 + 0 + 2 + 560 + 2 + 9 + 92 = 666.

1025602992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1025602992² = 2103722994398704128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1025602999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186609 + ... + 1187472.

It is an arithmetic number, because the mean of its divisors is an integer number (73596542).

Almost surely, 2^1025602992 is an apocalyptic number.

1025602992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1025602992 is an abundant number, since it is smaller than the sum of its proper divisors (1918258688).

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

1025602992 is a wasteful number, since it uses less digits than its factorization.

1025602992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374098 (or 2374086 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1025602992 is about 32025.0369554822. The cubic root of 1025602992 is about 1008.4625145030.

The spelling of 1025602992 in words is "one billion, twenty-five million, six hundred two thousand, nine hundred ninety-two".