127765425 has 24 divisors (see below), whose sum is σ = 211575744. Its totient is φ = 68032960.

The previous prime is 127765409. The next prime is 127765441. The reversal of 127765425 is 524567721.

It is an interprime number because it is at equal distance from previous prime (127765409) and next prime (127765441).

It is not a de Polignac number, because 127765425 - 2⁴ = 127765409 is a prime.

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, 72859 + ... + 74591.

It is an arithmetic number, because the mean of its divisors is an integer number (8815656).

Almost surely, 2^127765425 is an apocalyptic number.

127765425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127765425 is a deficient number, since it is larger than the sum of its proper divisors (83810319).

127765425 is a wasteful number, since it uses less digits than its factorization.

127765425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729 (or 2724 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 127765425 is about 11303.3368966867. The cubic root of 127765425 is about 503.6603713067.

The spelling of 127765425 in words is "one hundred twenty-seven million, seven hundred sixty-five thousand, four hundred twenty-five".