126801253652 has 48 divisors (see below), whose sum is σ = 233037870912. Its totient is φ = 60313693440.

The previous prime is 126801253603. The next prime is 126801253673. The reversal of 126801253652 is 256352108621.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1198127 + ... + 1299657.

It is an arithmetic number, because the mean of its divisors is an integer number (4854955644).

Almost surely, 2^126801253652 is an apocalyptic number.

It is an amenable number.

126801253652 is a deficient number, since it is larger than the sum of its proper divisors (106236617260).

126801253652 is a wasteful number, since it uses less digits than its factorization.

126801253652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101768 (or 101766 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 126801253652 in words is "one hundred twenty-six billion, eight hundred one million, two hundred fifty-three thousand, six hundred fifty-two".