127225345 has 16 divisors (see below), whose sum is σ = 165931920. Its totient is φ = 93083904.

The previous prime is 127225339. The next prime is 127225361. The reversal of 127225345 is 543522721.

It can be written as a sum of positive squares in 8 ways, for example, as 6071296 + 121154049 = 2464^2 + 11007^2 .

It is a cyclic number.

It is not a de Polignac number, because 127225345 - 2¹⁵ = 127192577 is a prime.

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, 1894 + ... + 16063.

It is an arithmetic number, because the mean of its divisors is an integer number (10370745).

Almost surely, 2^127225345 is an apocalyptic number.

It is an amenable number.

127225345 is a deficient number, since it is larger than the sum of its proper divisors (38706575).

127225345 is a wasteful number, since it uses less digits than its factorization.

127225345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18084.

The product of its digits is 16800, while the sum is 31.

The square root of 127225345 is about 11279.4213060777. The cubic root of 127225345 is about 502.9496910925.

The spelling of 127225345 in words is "one hundred twenty-seven million, two hundred twenty-five thousand, three hundred forty-five".