127649232 has 30 divisors (see below), whose sum is σ = 357240962. Its totient is φ = 42549696.

The previous prime is 127649231. The next prime is 127649251. The reversal of 127649232 is 232946721.

127649232 is a `hidden beast` number, since 1 + 2 + 7 + 649 + 2 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83612736 + 44036496 = 9144^2 + 6636^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127649231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 443083 + ... + 443370.

Almost surely, 2^127649232 is an apocalyptic number.

127649232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127649232 is an abundant number, since it is smaller than the sum of its proper divisors (229591730).

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

127649232 is a wasteful number, since it uses less digits than its factorization.

127649232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886467 (or 886458 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 127649232 is about 11298.1959621879. The cubic root of 127649232 is about 503.5076446493.

The spelling of 127649232 in words is "one hundred twenty-seven million, six hundred forty-nine thousand, two hundred thirty-two".