127191552 has 80 divisors (see below), whose sum is σ = 358852032. Its totient is φ = 39895040.

The previous prime is 127191517. The next prime is 127191577. The reversal of 127191552 is 255191721.

It is a hoax number, since the sum of its digits (33) 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 7 ways as a sum of consecutive naturals, for example, 23677 + ... + 28547.

Almost surely, 2^127191552 is an apocalyptic number.

127191552 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 127191552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179426016).

127191552 is an abundant number, since it is smaller than the sum of its proper divisors (231660480).

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

127191552 is an equidigital number, since it uses as much as digits as its factorization.

127191552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909 (or 4893 counting only the distinct ones).

The product of its digits is 6300, while the sum is 33.

The square root of 127191552 is about 11277.9232130743. The cubic root of 127191552 is about 502.9051567692.

The spelling of 127191552 in words is "one hundred twenty-seven million, one hundred ninety-one thousand, five hundred fifty-two".