127880634 has 16 divisors (see below), whose sum is σ = 292298688. Its totient is φ = 36537312.

The previous prime is 127880617. The next prime is 127880639. The reversal of 127880634 is 436088721.

It is a junction number, because it is equal to n+sod(n) for n = 127880592 and 127880601.

It is not an unprimeable number, because it can be changed into a prime (127880639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522347 + ... + 1522430.

It is an arithmetic number, because the mean of its divisors is an integer number (18268668).

Almost surely, 2^127880634 is an apocalyptic number.

127880634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

127880634 is an abundant number, since it is smaller than the sum of its proper divisors (164418054).

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

127880634 is a wasteful number, since it uses less digits than its factorization.

127880634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044789.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 127880634 is about 11308.4319867964. The cubic root of 127880634 is about 503.8117131773.

The spelling of 127880634 in words is "one hundred twenty-seven million, eight hundred eighty thousand, six hundred thirty-four".