127225399 has 16 divisors (see below), whose sum is σ = 154398528. Its totient is φ = 102339072.

The previous prime is 127225393. The next prime is 127225409. The reversal of 127225399 is 993522721.

It is a cyclic number.

It is not a de Polignac number, because 127225399 - 2⁹ = 127224887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127225393) 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, 45897 + ... + 48589.

It is an arithmetic number, because the mean of its divisors is an integer number (9649908).

Almost surely, 2^127225399 is an apocalyptic number.

127225399 is a deficient number, since it is larger than the sum of its proper divisors (27173129).

127225399 is a wasteful number, since it uses less digits than its factorization.

127225399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114.

The product of its digits is 68040, while the sum is 40.

The square root of 127225399 is about 11279.4236998173. The cubic root of 127225399 is about 502.9497622504.

The spelling of 127225399 in words is "one hundred twenty-seven million, two hundred twenty-five thousand, three hundred ninety-nine".