10122899 has 4 divisors (see below), whose sum is σ = 10138920. Its totient is φ = 10106880.

The previous prime is 10122883. The next prime is 10122913. The reversal of 10122899 is 99822101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10122899 - 2⁴ = 10122883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10122869) 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, 7022 + ... + 8339.

It is an arithmetic number, because the mean of its divisors is an integer number (2534730).

Almost surely, 2^10122899 is an apocalyptic number.

10122899 is a deficient number, since it is larger than the sum of its proper divisors (16021).

10122899 is an equidigital number, since it uses as much as digits as its factorization.

10122899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16020.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 10122899 is about 3181.6503579118. The cubic root of 10122899 is about 216.3224707265.

The spelling of 10122899 in words is "ten million, one hundred twenty-two thousand, eight hundred ninety-nine".