1026564612 has 48 divisors (see below), whose sum is σ = 2502528000. Its totient is φ = 326909088.

The previous prime is 1026564599. The next prime is 1026564619. The reversal of 1026564612 is 2164656201.

It is a super-2 number, since 2×1026564612² = 2107669805221421088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1026564619) 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, 291639 + ... + 295137.

It is an arithmetic number, because the mean of its divisors is an integer number (52136000).

Almost surely, 2^1026564612 is an apocalyptic number.

1026564612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1026564612 is an abundant number, since it is smaller than the sum of its proper divisors (1475963388).

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

1026564612 is a wasteful number, since it uses less digits than its factorization.

1026564612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592 (or 4590 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1026564612 is about 32040.0470037108. The cubic root of 1026564612 is about 1008.7775989955. Note that the first 3 decimals are identical.

The spelling of 1026564612 in words is "one billion, twenty-six million, five hundred sixty-four thousand, six hundred twelve".