100279057 has 4 divisors (see below), whose sum is σ = 104639040. Its totient is φ = 95919076.

The previous prime is 100279043. The next prime is 100279061. The reversal of 100279057 is 750972001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100279057 - 2⁷ = 100278929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100279027) 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 in 3 ways as a sum of consecutive naturals, for example, 2179957 + ... + 2180002.

It is an arithmetic number, because the mean of its divisors is an integer number (26159760).

Almost surely, 2^100279057 is an apocalyptic number.

It is an amenable number.

100279057 is a deficient number, since it is larger than the sum of its proper divisors (4359983).

100279057 is an equidigital number, since it uses as much as digits as its factorization.

100279057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359982.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 100279057 is about 10013.9431294570. The cubic root of 100279057 is about 464.5902383194.

The spelling of 100279057 in words is "one hundred million, two hundred seventy-nine thousand, fifty-seven".