127700442 has 32 divisors (see below), whose sum is σ = 284428800. Its totient is φ = 42469344.

The previous prime is 127700437. The next prime is 127700453. The reversal of 127700442 is 244007721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 23398 + ... + 28334.

It is an arithmetic number, because the mean of its divisors is an integer number (8888400).

Almost surely, 2^127700442 is an apocalyptic number.

127700442 is an abundant number, since it is smaller than the sum of its proper divisors (156728358).

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

127700442 is a wasteful number, since it uses less digits than its factorization.

127700442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5427 (or 5421 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 127700442 is about 11300.4620259527. The cubic root of 127700442 is about 503.5749676269.

It can be divided in two parts, 127 and 700442, that added together give a square (700569 = 837²).

The spelling of 127700442 in words is "one hundred twenty-seven million, seven hundred thousand, four hundred forty-two".