1026572172 has 24 divisors (see below), whose sum is σ = 2434604592. Its totient is φ = 336580800.

The previous prime is 1026572101. The next prime is 1026572177. The reversal of 1026572172 is 2712756201.

It is not an unprimeable number, because it can be changed into a prime (1026572177) 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, 700479 + ... + 701942.

It is an arithmetic number, because the mean of its divisors is an integer number (101441858).

Almost surely, 2^1026572172 is an apocalyptic number.

1026572172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1026572172 is an abundant number, since it is smaller than the sum of its proper divisors (1408032420).

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

1026572172 is a wasteful number, since it uses less digits than its factorization.

1026572172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402489 (or 1402487 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 1026572172 is about 32040.1649808486. The cubic root of 1026572172 is about 1008.7800753261.

The spelling of 1026572172 in words is "one billion, twenty-six million, five hundred seventy-two thousand, one hundred seventy-two".