10118999 has 8 divisors (see below), whose sum is σ = 11419920. Its totient is φ = 8881600.

The previous prime is 10118993. The next prime is 10119013. The reversal of 10118999 is 99981101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10118999 - 2⁸ = 10118743 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 (10118993) 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, 15542 + ... + 16179.

It is an arithmetic number, because the mean of its divisors is an integer number (1427490).

Almost surely, 2^10118999 is an apocalyptic number.

10118999 is a deficient number, since it is larger than the sum of its proper divisors (1300921).

10118999 is a wasteful number, since it uses less digits than its factorization.

10118999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31761.

The product of its (nonzero) digits is 5832, while the sum is 38.

The square root of 10118999 is about 3181.0374093996. The cubic root of 10118999 is about 216.2946866565.

The spelling of 10118999 in words is "ten million, one hundred eighteen thousand, nine hundred ninety-nine".