127120380 has 48 divisors (see below), whose sum is σ = 356705664. Its totient is φ = 33825600.

The previous prime is 127120361. The next prime is 127120403. The reversal of 127120380 is 83021721.

It is a super-2 number, since 2×127120380² = 32319182022688800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127120380.

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, 29355 + ... + 33405.

It is an arithmetic number, because the mean of its divisors is an integer number (7431368).

Almost surely, 2^127120380 is an apocalyptic number.

127120380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127120380 is an abundant number, since it is smaller than the sum of its proper divisors (229585284).

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

127120380 is a wasteful number, since it uses less digits than its factorization.

127120380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586 (or 4584 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 127120380 is about 11274.7674033658. The cubic root of 127120380 is about 502.8113364814.

The spelling of 127120380 in words is "one hundred twenty-seven million, one hundred twenty thousand, three hundred eighty".