127197420 has 48 divisors (see below), whose sum is σ = 407033088. Its totient is φ = 29073600.

The previous prime is 127197401. The next prime is 127197431. The reversal of 127197420 is 24791721.

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, 151006 + ... + 151845.

It is an arithmetic number, because the mean of its divisors is an integer number (8479856).

Almost surely, 2^127197420 is an apocalyptic number.

127197420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127197420 is an abundant number, since it is smaller than the sum of its proper divisors (279835668).

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

127197420 is a wasteful number, since it uses less digits than its factorization.

127197420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302870 (or 302868 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 127197420 is about 11278.1833643544. The cubic root of 127197420 is about 502.9128905168.

The spelling of 127197420 in words is "one hundred twenty-seven million, one hundred ninety-seven thousand, four hundred twenty".