126980988 has 12 divisors (see below), whose sum is σ = 296289000. Its totient is φ = 42326992.

The previous prime is 126980983. The next prime is 126980993. The reversal of 126980988 is 889089621.

It is an interprime number because it is at equal distance from previous prime (126980983) and next prime (126980993).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×126980988² = 32248342626912288, 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 126980988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126980983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5290863 + ... + 5290886.

It is an arithmetic number, because the mean of its divisors is an integer number (24690750).

Almost surely, 2^126980988 is an apocalyptic number.

It is an amenable number.

126980988 is an abundant number, since it is smaller than the sum of its proper divisors (169308012).

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

126980988 is a wasteful number, since it uses less digits than its factorization.

126980988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10581756 (or 10581754 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 51.

The square root of 126980988 is about 11268.5841169155. The cubic root of 126980988 is about 502.6274857845.

The spelling of 126980988 in words is "one hundred twenty-six million, nine hundred eighty thousand, nine hundred eighty-eight".