127742375 has 16 divisors (see below), whose sum is σ = 162133920. Its totient is φ = 100456000.

The previous prime is 127742371. The next prime is 127742443. The reversal of 127742375 is 573247721.

It is not a de Polignac number, because 127742375 - 2² = 127742371 is a prime.

It is a super-2 number, since 2×127742375² = 32636228741281250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127742371) 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, 1286 + ... + 16035.

It is an arithmetic number, because the mean of its divisors is an integer number (10133370).

Almost surely, 2^127742375 is an apocalyptic number.

127742375 is a deficient number, since it is larger than the sum of its proper divisors (34391545).

127742375 is an equidigital number, since it uses as much as digits as its factorization.

127742375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17395 (or 17385 counting only the distinct ones).

The product of its digits is 82320, while the sum is 38.

The square root of 127742375 is about 11302.3172402831. The cubic root of 127742375 is about 503.6300812399.

The spelling of 127742375 in words is "one hundred twenty-seven million, seven hundred forty-two thousand, three hundred seventy-five".