117149250 has 64 divisors (see below), whose sum is σ = 307831680. Its totient is φ = 29592000.

The previous prime is 117149237. The next prime is 117149257. The reversal of 117149250 is 52941711.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (117149257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10140 + ... + 18360.

It is an arithmetic number, because the mean of its divisors is an integer number (4809870).

Almost surely, 2^117149250 is an apocalyptic number.

117149250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117149250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153915840).

117149250 is an abundant number, since it is smaller than the sum of its proper divisors (190682430).

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

117149250 is a wasteful number, since it uses less digits than its factorization.

117149250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8260 (or 8250 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 117149250 is about 10823.5507112962. The cubic root of 117149250 is about 489.3052071524.

The spelling of 117149250 in words is "one hundred seventeen million, one hundred forty-nine thousand, two hundred fifty".