117254556 has 72 divisors (see below), whose sum is σ = 303632784. Its totient is φ = 38142720.

The previous prime is 117254551. The next prime is 117254561. The reversal of 117254556 is 655452711.

It is an interprime number because it is at equal distance from previous prime (117254551) and next prime (117254561).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 117254556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117254551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417136 + ... + 417416.

It is an arithmetic number, because the mean of its divisors is an integer number (4217122).

Almost surely, 2^117254556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117254556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151816392).

117254556 is an abundant number, since it is smaller than the sum of its proper divisors (186378228).

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

117254556 is a wasteful number, since it uses less digits than its factorization.

117254556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 526 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 117254556 is about 10828.4142883434. The cubic root of 117254556 is about 489.4517761449.

The spelling of 117254556 in words is "one hundred seventeen million, two hundred fifty-four thousand, five hundred fifty-six".