127812120 has 64 divisors (see below), whose sum is σ = 405997920. Its totient is φ = 32077824.

The previous prime is 127812073. The next prime is 127812121. The reversal of 127812120 is 21218721.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127812121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29287 + ... + 33366.

Almost surely, 2^127812120 is an apocalyptic number.

127812120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127812120 is an abundant number, since it is smaller than the sum of its proper divisors (278185800).

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

127812120 is a wasteful number, since it uses less digits than its factorization.

127812120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62684 (or 62680 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 127812120 is about 11305.4022484828. The cubic root of 127812120 is about 503.7217221677.

The spelling of 127812120 in words is "one hundred twenty-seven million, eight hundred twelve thousand, one hundred twenty".