127522745 has 24 divisors (see below), whose sum is σ = 180543168. Its totient is φ = 86200800.

The previous prime is 127522727. The next prime is 127522753. The reversal of 127522745 is 547225721.

It is a de Polignac number, because none of the positive numbers 2^k-127522745 is a prime.

It is a super-3 number, since 3×127522745³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13730 + ... + 21060.

It is an arithmetic number, because the mean of its divisors is an integer number (7522632).

Almost surely, 2^127522745 is an apocalyptic number.

It is an amenable number.

127522745 is a deficient number, since it is larger than the sum of its proper divisors (53020423).

127522745 is an equidigital number, since it uses as much as digits as its factorization.

127522745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7421 (or 7414 counting only the distinct ones).

The product of its digits is 39200, while the sum is 35.

The square root of 127522745 is about 11292.5969112512. The cubic root of 127522745 is about 503.3412819333.

The spelling of 127522745 in words is "one hundred twenty-seven million, five hundred twenty-two thousand, seven hundred forty-five".