117100521 has 24 divisors (see below), whose sum is σ = 182594880. Its totient is φ = 72094176.

The previous prime is 117100517. The next prime is 117100537. The reversal of 117100521 is 125001711.

It is a happy number.

It is not a de Polignac number, because 117100521 - 2² = 117100517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117100494 and 117100503.

It is not an unprimeable number, because it can be changed into a prime (117100561) 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 23 ways as a sum of consecutive naturals, for example, 3751 + ... + 15756.

It is an arithmetic number, because the mean of its divisors is an integer number (7608120).

Almost surely, 2^117100521 is an apocalyptic number.

It is an amenable number.

117100521 is a deficient number, since it is larger than the sum of its proper divisors (65494359).

117100521 is a wasteful number, since it uses less digits than its factorization.

117100521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19565 (or 19562 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 117100521 is about 10821.2994136564. The cubic root of 117100521 is about 489.2373545053.

The spelling of 117100521 in words is "one hundred seventeen million, one hundred thousand, five hundred twenty-one".