117186037 has 4 divisors (see below), whose sum is σ = 117213100. Its totient is φ = 117158976.

The previous prime is 117186031. The next prime is 117186059. The reversal of 117186037 is 730681711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34175716 + 83010321 = 5846^2 + 9111^2 .

It is a 3-Lehmer number, since φ(117186037) divides (117186037-1)³.

It is a cyclic number.

It is not a de Polignac number, because 117186037 - 2¹⁵ = 117153269 is a prime.

It is a deceptive number, since it divides R_117186036.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117185993 and 117186011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117186031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5412 + ... + 16237.

It is an arithmetic number, because the mean of its divisors is an integer number (29303275).

Almost surely, 2^117186037 is an apocalyptic number.

117186037 is the 5413-rd decagonal number.

It is an amenable number.

117186037 is a deficient number, since it is larger than the sum of its proper divisors (27063).

117186037 is an equidigital number, since it uses as much as digits as its factorization.

117186037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27062.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 117186037 is about 10825.2499740191. The cubic root of 117186037 is about 489.3564187105.

The spelling of 117186037 in words is "one hundred seventeen million, one hundred eighty-six thousand, thirty-seven".