117120142 has 16 divisors (see below), whose sum is σ = 188418960. Its totient is φ = 54430272.

The previous prime is 117120131. The next prime is 117120151. The reversal of 117120142 is 241021711.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27063 + ... + 31090.

It is an arithmetic number, because the mean of its divisors is an integer number (11776185).

Almost surely, 2^117120142 is an apocalyptic number.

117120142 is a deficient number, since it is larger than the sum of its proper divisors (71298818).

117120142 is a wasteful number, since it uses less digits than its factorization.

117120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58227.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 117120142 is about 10822.2059673617. The cubic root of 117120142 is about 489.2646780104.

Adding to 117120142 its reverse (241021711), we get a palindrome (358141853).

The spelling of 117120142 in words is "one hundred seventeen million, one hundred twenty thousand, one hundred forty-two".