127240465 has 16 divisors (see below), whose sum is σ = 166795200. Its totient is φ = 92413120.

The previous prime is 127240457. The next prime is 127240469. The reversal of 127240465 is 564042721.

It is not a de Polignac number, because 127240465 - 2³ = 127240457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127240469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64311 + ... + 66259.

It is an arithmetic number, because the mean of its divisors is an integer number (10424700).

Almost surely, 2^127240465 is an apocalyptic number.

It is an amenable number.

127240465 is a deficient number, since it is larger than the sum of its proper divisors (39554735).

127240465 is a wasteful number, since it uses less digits than its factorization.

127240465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 127240465 is about 11280.0915333166. The cubic root of 127240465 is about 502.9696145286.

The spelling of 127240465 in words is "one hundred twenty-seven million, two hundred forty thousand, four hundred sixty-five".