100459997 has 16 divisors (see below), whose sum is σ = 112915968. Its totient is φ = 88588080.

The previous prime is 100459993. The next prime is 100460033. The reversal of 100459997 is 799954001.

It is a cyclic number.

It is not a de Polignac number, because 100459997 - 2² = 100459993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100459993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76448 + ... + 77750.

It is an arithmetic number, because the mean of its divisors is an integer number (7057248).

Almost surely, 2^100459997 is an apocalyptic number.

It is an amenable number.

100459997 is a deficient number, since it is larger than the sum of its proper divisors (12455971).

100459997 is a wasteful number, since it uses less digits than its factorization.

100459997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 100459997 is about 10022.9734610045. The cubic root of 100459997 is about 464.8695005129.

The spelling of 100459997 in words is "one hundred million, four hundred fifty-nine thousand, nine hundred ninety-seven".