126127812 has 12 divisors (see below), whose sum is σ = 294298256. Its totient is φ = 42042600.

The previous prime is 126127801. The next prime is 126127831. The reversal of 126127812 is 218721621.

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

It is a self number, because there is not a number n which added to its sum of digits gives 126127812.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5255314 + ... + 5255337.

Almost surely, 2^126127812 is an apocalyptic number.

126127812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126127812 is an abundant number, since it is smaller than the sum of its proper divisors (168170444).

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

126127812 is a wasteful number, since it uses less digits than its factorization.

126127812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510658 (or 10510656 counting only the distinct ones).

The product of its digits is 2688, while the sum is 30.

The square root of 126127812 is about 11230.6639162607. The cubic root of 126127812 is about 501.4992493429.

The spelling of 126127812 in words is "one hundred twenty-six million, one hundred twenty-seven thousand, eight hundred twelve".