127427220 has 36 divisors (see below), whose sum is σ = 386529780. Its totient is φ = 33980544.

The previous prime is 127427219. The next prime is 127427249. The reversal of 127427220 is 22724721.

127427220 is a `hidden beast` number, since 12 + 7 + 427 + 220 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18558864 + 108868356 = 4308^2 + 10434^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353785 + ... + 354144.

Almost surely, 2^127427220 is an apocalyptic number.

127427220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127427220 is an abundant number, since it is smaller than the sum of its proper divisors (259102560).

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

127427220 is a wasteful number, since it uses less digits than its factorization.

127427220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707944 (or 707939 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 127427220 is about 11288.3665780307. The cubic root of 127427220 is about 503.2155692309.

The spelling of 127427220 in words is "one hundred twenty-seven million, four hundred twenty-seven thousand, two hundred twenty".