127087740 has 72 divisors (see below), whose sum is σ = 415160928. Its totient is φ = 31282560.

The previous prime is 127087739. The next prime is 127087759. The reversal of 127087740 is 47780721.

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

It is a junction number, because it is equal to n+sod(n) for n = 127087695 and 127087704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24816 + ... + 29495.

It is an arithmetic number, because the mean of its divisors is an integer number (5766124).

Almost surely, 2^127087740 is an apocalyptic number.

127087740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127087740 is an abundant number, since it is smaller than the sum of its proper divisors (288073188).

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

127087740 is a wasteful number, since it uses less digits than its factorization.

127087740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54339 (or 54334 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 127087740 is about 11273.3198304670. The cubic root of 127087740 is about 502.7682980982.

The spelling of 127087740 in words is "one hundred twenty-seven million, eighty-seven thousand, seven hundred forty".