100377128 has 32 divisors (see below), whose sum is σ = 191484000. Its totient is φ = 49323072.

The previous prime is 100377127. The next prime is 100377161. The reversal of 100377128 is 821773001.

It is a self number, because there is not a number n which added to its sum of digits gives 100377128.

It is not an unprimeable number, because it can be changed into a prime (100377127) 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, 127151 + ... + 127937.

It is an arithmetic number, because the mean of its divisors is an integer number (5983875).

Almost surely, 2^100377128 is an apocalyptic number.

It is an amenable number.

100377128 is a deficient number, since it is larger than the sum of its proper divisors (91106872).

100377128 is a wasteful number, since it uses less digits than its factorization.

100377128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 100377128 is about 10018.8386552534. The cubic root of 100377128 is about 464.7416424294.

The spelling of 100377128 in words is "one hundred million, three hundred seventy-seven thousand, one hundred twenty-eight".