127542628 has 6 divisors (see below), whose sum is σ = 223199606. Its totient is φ = 63771312.

The previous prime is 127542599. The next prime is 127542629. The reversal of 127542628 is 826245721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 124367104 + 3175524 = 11152^2 + 1782^2 .

It is not an unprimeable number, because it can be changed into a prime (127542629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15942825 + ... + 15942832.

Almost surely, 2^127542628 is an apocalyptic number.

It is an amenable number.

127542628 is a deficient number, since it is larger than the sum of its proper divisors (95656978).

127542628 is a wasteful number, since it uses less digits than its factorization.

127542628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31885661 (or 31885659 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 127542628 is about 11293.4772324559. The cubic root of 127542628 is about 503.3674404423.

The spelling of 127542628 in words is "one hundred twenty-seven million, five hundred forty-two thousand, six hundred twenty-eight".