126874602681 has 8 divisors (see below), whose sum is σ = 169217866944. Its totient is φ = 84557203440.

The previous prime is 126874602661. The next prime is 126874602703. The reversal of 126874602681 is 186206478621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126874602681 - 2¹⁷ = 126874471609 is a prime.

It is a super-2 number, since 2×126874602681² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (126874602601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6454806 + ... + 6474431.

It is an arithmetic number, because the mean of its divisors is an integer number (21152233368).

Almost surely, 2^126874602681 is an apocalyptic number.

It is an amenable number.

126874602681 is a deficient number, since it is larger than the sum of its proper divisors (42343264263).

126874602681 is a wasteful number, since it uses less digits than its factorization.

126874602681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12932511.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 126874602681 in words is "one hundred twenty-six billion, eight hundred seventy-four million, six hundred two thousand, six hundred eighty-one".