127752428 has 24 divisors (see below), whose sum is σ = 236544000. Its totient is φ = 60203088.

The previous prime is 127752421. The next prime is 127752437. The reversal of 127752428 is 824257721.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 127752391 and 127752400.

It is not an unprimeable number, because it can be changed into a prime (127752421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10901 + ... + 19347.

It is an arithmetic number, because the mean of its divisors is an integer number (9856000).

Almost surely, 2^127752428 is an apocalyptic number.

It is an amenable number.

127752428 is a deficient number, since it is larger than the sum of its proper divisors (108791572).

127752428 is a wasteful number, since it uses less digits than its factorization.

127752428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8669 (or 8667 counting only the distinct ones).

The product of its digits is 62720, while the sum is 38.

The square root of 127752428 is about 11302.7619633433. The cubic root of 127752428 is about 503.6432923622.

The spelling of 127752428 in words is "one hundred twenty-seven million, seven hundred fifty-two thousand, four hundred twenty-eight".