117061540 has 48 divisors (see below), whose sum is σ = 251701632. Its totient is φ = 45720576.

The previous prime is 117061499. The next prime is 117061561. The reversal of 117061540 is 45160711.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160657 + ... + 161383.

It is an arithmetic number, because the mean of its divisors is an integer number (5243784).

Almost surely, 2^117061540 is an apocalyptic number.

117061540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117061540 is an abundant number, since it is smaller than the sum of its proper divisors (134640092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117061540 is a wasteful number, since it uses less digits than its factorization.

117061540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 117061540 is about 10819.4981399324. The cubic root of 117061540 is about 489.1830618979.

The spelling of 117061540 in words is "one hundred seventeen million, sixty-one thousand, five hundred forty".