127922940 has 36 divisors (see below), whose sum is σ = 388033464. Its totient is φ = 34112736.

The previous prime is 127922939. The next prime is 127922959. The reversal of 127922940 is 49229721.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 127922895 and 127922904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355162 + ... + 355521.

Almost surely, 2^127922940 is an apocalyptic number.

127922940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127922940 is an abundant number, since it is smaller than the sum of its proper divisors (260110524).

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

127922940 is a wasteful number, since it uses less digits than its factorization.

127922940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710698 (or 710693 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 127922940 is about 11310.3023832257. The cubic root of 127922940 is about 503.8672647431.

The spelling of 127922940 in words is "one hundred twenty-seven million, nine hundred twenty-two thousand, nine hundred forty".