127842240 has 56 divisors (see below), whose sum is σ = 405902160. Its totient is φ = 34091008.

The previous prime is 127842173. The next prime is 127842259. The reversal of 127842240 is 42248721.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 127842198 and 127842207.

It is a congruent number.

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, 65625 + ... + 67544.

Almost surely, 2^127842240 is an apocalyptic number.

127842240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127842240 is an abundant number, since it is smaller than the sum of its proper divisors (278059920).

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

127842240 is a wasteful number, since it uses less digits than its factorization.

127842240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133189 (or 133179 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 127842240 is about 11306.7342765274. The cubic root of 127842240 is about 503.7612878120.

The spelling of 127842240 in words is "one hundred twenty-seven million, eight hundred forty-two thousand, two hundred forty".