117109973 has 2 divisors, whose sum is σ = 117109974. Its totient is φ = 117109972.

The previous prime is 117109933. The next prime is 117110023. The reversal of 117109973 is 379901711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78446449 + 38663524 = 8857^2 + 6218^2 .

It is a cyclic number.

It is not a de Polignac number, because 117109973 - 2¹⁰ = 117108949 is a prime.

It is equal to p_6686372 and since 117109973 and 6686372 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117109933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58554986 + 58554987.

It is an arithmetic number, because the mean of its divisors is an integer number (58554987).

Almost surely, 2^117109973 is an apocalyptic number.

It is an amenable number.

117109973 is a deficient number, since it is larger than the sum of its proper divisors (1).

117109973 is an equidigital number, since it uses as much as digits as its factorization.

117109973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 38.

The square root of 117109973 is about 10821.7361361290. The cubic root of 117109973 is about 489.2505174045.

The spelling of 117109973 in words is "one hundred seventeen million, one hundred nine thousand, nine hundred seventy-three".