127428336 has 80 divisors (see below), whose sum is σ = 418028800. Its totient is φ = 36407232.

The previous prime is 127428319. The next prime is 127428341. The reversal of 127428336 is 633824721.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 127428336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18046 + ... + 24093.

It is an arithmetic number, because the mean of its divisors is an integer number (5225360).

Almost surely, 2^127428336 is an apocalyptic number.

127428336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

127428336 is an abundant number, since it is smaller than the sum of its proper divisors (290600464).

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

127428336 is a wasteful number, since it uses less digits than its factorization.

127428336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42163 (or 42151 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 127428336 is about 11288.4160093434. The cubic root of 127428336 is about 503.2170382706.

The spelling of 127428336 in words is "one hundred twenty-seven million, four hundred twenty-eight thousand, three hundred thirty-six".