126402526526 has 64 divisors (see below), whose sum is σ = 207642424320. Its totient is φ = 57509170560.

The previous prime is 126402526517. The next prime is 126402526541. The reversal of 126402526526 is 625625204621.

It is a super-2 number, since 2×126402526526² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60681881 + ... + 60683963.

It is an arithmetic number, because the mean of its divisors is an integer number (3244412880).

Almost surely, 2^126402526526 is an apocalyptic number.

126402526526 is a deficient number, since it is larger than the sum of its proper divisors (81239897794).

126402526526 is a wasteful number, since it uses less digits than its factorization.

126402526526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 126402526526 in words is "one hundred twenty-six billion, four hundred two million, five hundred twenty-six thousand, five hundred twenty-six".