100039057 has 4 divisors (see below), whose sum is σ = 102479076. Its totient is φ = 97599040.

The previous prime is 100039039. The next prime is 100039073. The reversal of 100039057 is 750930001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7706176 + 92332881 = 2776^2 + 9609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100039057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100039007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219948 + ... + 1220029.

It is an arithmetic number, because the mean of its divisors is an integer number (25619769).

Almost surely, 2^100039057 is an apocalyptic number.

It is an amenable number.

100039057 is a deficient number, since it is larger than the sum of its proper divisors (2440019).

100039057 is an equidigital number, since it uses as much as digits as its factorization.

100039057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440018.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 100039057 is about 10001.9526593561. The cubic root of 100039057 is about 464.2193043408.

Adding to 100039057 its reverse (750930001), we get a palindrome (850969058).

The spelling of 100039057 in words is "one hundred million, thirty-nine thousand, fifty-seven".