117157254 has 16 divisors (see below), whose sum is σ = 240030000. Its totient is φ = 38099840.

The previous prime is 117157253. The next prime is 117157259. The reversal of 117157254 is 452751711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117157253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237879 + ... + 238370.

It is an arithmetic number, because the mean of its divisors is an integer number (15001875).

Almost surely, 2^117157254 is an apocalyptic number.

117157254 is an abundant number, since it is smaller than the sum of its proper divisors (122872746).

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

117157254 is a wasteful number, since it uses less digits than its factorization.

117157254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476295.

The product of its digits is 9800, while the sum is 33.

The square root of 117157254 is about 10823.9204542532. The cubic root of 117157254 is about 489.3163505149.

The spelling of 117157254 in words is "one hundred seventeen million, one hundred fifty-seven thousand, two hundred fifty-four".