100012877 has 4 divisors (see below), whose sum is σ = 100743036. Its totient is φ = 99282720.

The previous prime is 100012873. The next prime is 100012889. The reversal of 100012877 is 778210001.

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 53377636 + 46635241 = 7306^2 + 6829^2 .

It is a cyclic number.

It is not a de Polignac number, because 100012877 - 2² = 100012873 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012873) 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, 364874 + ... + 365147.

It is an arithmetic number, because the mean of its divisors is an integer number (25185759).

Almost surely, 2^100012877 is an apocalyptic number.

It is an amenable number.

100012877 is a deficient number, since it is larger than the sum of its proper divisors (730159).

100012877 is an equidigital number, since it uses as much as digits as its factorization.

100012877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730158.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 100012877 is about 10000.6438292742. The cubic root of 100012877 is about 464.1788057526.

Adding to 100012877 its reverse (778210001), we get a palindrome (878222878).

The spelling of 100012877 in words is "one hundred million, twelve thousand, eight hundred seventy-seven".