117122142 has 8 divisors (see below), whose sum is σ = 234244296. Its totient is φ = 39040712.

The previous prime is 117122051. The next prime is 117122147. The reversal of 117122142 is 241221711.

It is a sphenic number, since it is the product of 3 distinct primes.

117122142 is an admirable number.

It is a super-2 number, since 2×117122142² = 27435192293336328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117122147) 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, 9760173 + ... + 9760184.

It is an arithmetic number, because the mean of its divisors is an integer number (29280537).

Almost surely, 2^117122142 is an apocalyptic number.

117122142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117122142 is a wasteful number, since it uses less digits than its factorization.

117122142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19520362.

The product of its digits is 224, while the sum is 21.

The square root of 117122142 is about 10822.2983695701. The cubic root of 117122142 is about 489.2674629677.

Adding to 117122142 its reverse (241221711), we get a palindrome (358343853).

The spelling of 117122142 in words is "one hundred seventeen million, one hundred twenty-two thousand, one hundred forty-two".