126912860 has 24 divisors (see below), whose sum is σ = 269268720. Its totient is φ = 50241024.

The previous prime is 126912859. The next prime is 126912869. The reversal of 126912860 is 68219621.

It is a super-2 number, since 2×126912860² = 32213748066759200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126912860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126912869) 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, 30770 + ... + 34649.

It is an arithmetic number, because the mean of its divisors is an integer number (11219530).

Almost surely, 2^126912860 is an apocalyptic number.

126912860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126912860 is an abundant number, since it is smaller than the sum of its proper divisors (142355860).

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

126912860 is a wasteful number, since it uses less digits than its factorization.

126912860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65525 (or 65523 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 126912860 is about 11265.5607938531. The cubic root of 126912860 is about 502.5375795926.

It can be divided in two parts, 12691 and 2860, that added together give a palindrome (15551).

The spelling of 126912860 in words is "one hundred twenty-six million, nine hundred twelve thousand, eight hundred sixty".