126405592597020 has 96 divisors (see below), whose sum is σ = 386113427271936. Its totient is φ = 30643637248000.

The previous prime is 126405592597007. The next prime is 126405592597033. The reversal of 126405592597020 is 20795295504621.

It is an interprime number because it is at equal distance from previous prime (126405592597007) and next prime (126405592597033).

It is a super-2 number, since 2×126405592597020² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236869495 + ... + 237402545.

It is an arithmetic number, because the mean of its divisors is an integer number (4022014867416).

Almost surely, 2^{126405592597020} is an apocalyptic number.

126405592597020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126405592597020 is an abundant number, since it is smaller than the sum of its proper divisors (259707834674916).

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

126405592597020 is a wasteful number, since it uses less digits than its factorization.

126405592597020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892371 (or 892369 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 57.

The spelling of 126405592597020 in words is "one hundred twenty-six trillion, four hundred five billion, five hundred ninety-two million, five hundred ninety-seven thousand, twenty".