127155132 has 72 divisors (see below), whose sum is σ = 361224864. Its totient is φ = 37420416.

The previous prime is 127155131. The next prime is 127155143. The reversal of 127155132 is 231551721.

127155132 is a `hidden beast` number, since 12 + 71 + 551 + 32 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 127155096 and 127155105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127155131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4858 + ... + 16670.

It is an arithmetic number, because the mean of its divisors is an integer number (5017012).

Almost surely, 2^127155132 is an apocalyptic number.

127155132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127155132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180612432).

127155132 is an abundant number, since it is smaller than the sum of its proper divisors (234069732).

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

127155132 is a wasteful number, since it uses less digits than its factorization.

127155132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11859 (or 11854 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 127155132 is about 11276.3084384917. The cubic root of 127155132 is about 502.8571516043.

The spelling of 127155132 in words is "one hundred twenty-seven million, one hundred fifty-five thousand, one hundred thirty-two".