127283945 has 16 divisors (see below), whose sum is σ = 163512000. Its totient is φ = 94828608.

The previous prime is 127283941. The next prime is 127283957. The reversal of 127283945 is 549382721.

It is a cyclic number.

It is not a de Polignac number, because 127283945 - 2² = 127283941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127283941) 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, 5750 + ... + 16959.

It is an arithmetic number, because the mean of its divisors is an integer number (10219500).

Almost surely, 2^127283945 is an apocalyptic number.

It is an amenable number.

127283945 is a deficient number, since it is larger than the sum of its proper divisors (36228055).

127283945 is a wasteful number, since it uses less digits than its factorization.

127283945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22792.

The product of its digits is 120960, while the sum is 41.

The square root of 127283945 is about 11282.0186580239. The cubic root of 127283945 is about 503.0268987904.

The spelling of 127283945 in words is "one hundred twenty-seven million, two hundred eighty-three thousand, nine hundred forty-five".