126912516 has 24 divisors (see below), whose sum is σ = 304133760. Its totient is φ = 41160672.

The previous prime is 126912503. The next prime is 126912521. The reversal of 126912516 is 615219621.

It is a super-2 number, since 2×126912516² = 32213573434900512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142476 + ... + 143363.

It is an arithmetic number, because the mean of its divisors is an integer number (12672240).

Almost surely, 2^126912516 is an apocalyptic number.

It is an amenable number.

126912516 is an abundant number, since it is smaller than the sum of its proper divisors (177221244).

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

126912516 is a wasteful number, since it uses less digits than its factorization.

126912516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285883 (or 285881 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 126912516 is about 11265.5455260720. The cubic root of 126912516 is about 502.5371255459.

The spelling of 126912516 in words is "one hundred twenty-six million, nine hundred twelve thousand, five hundred sixteen".