126126621260 has 12 divisors (see below), whose sum is σ = 264865904688. Its totient is φ = 50450648496.

The previous prime is 126126621253. The next prime is 126126621293. The reversal of 126126621260 is 62126621621.

It is a self number, because there is not a number n which added to its sum of digits gives 126126621260.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3153165512 + ... + 3153165551.

It is an arithmetic number, because the mean of its divisors is an integer number (22072158724).

Almost surely, 2^126126621260 is an apocalyptic number.

126126621260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126126621260 is an abundant number, since it is smaller than the sum of its proper divisors (138739283428).

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

126126621260 is a wasteful number, since it uses less digits than its factorization.

126126621260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306331072 (or 6306331070 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 126126621260 in words is "one hundred twenty-six billion, one hundred twenty-six million, six hundred twenty-one thousand, two hundred sixty".