127491532 has 36 divisors (see below), whose sum is σ = 260649144. Its totient is φ = 54405120.

The previous prime is 127491503. The next prime is 127491563. The reversal of 127491532 is 235194721.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 49107 + ... + 51637.

It is an arithmetic number, because the mean of its divisors is an integer number (7240254).

Almost surely, 2^127491532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127491532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130324572).

127491532 is an abundant number, since it is smaller than the sum of its proper divisors (133157612).

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

127491532 is a wasteful number, since it uses less digits than its factorization.

127491532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806 (or 2797 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 127491532 is about 11291.2148150675. The cubic root of 127491532 is about 503.3002119437.

The spelling of 127491532 in words is "one hundred twenty-seven million, four hundred ninety-one thousand, five hundred thirty-two".