113940122 has 4 divisors (see below), whose sum is σ = 170910186. Its totient is φ = 56970060.

The previous prime is 113940121. The next prime is 113940139. The reversal of 113940122 is 221049311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221049311 = 7 ⋅31578473.

It can be written as a sum of positive squares in only one way, i.e., 106481761 + 7458361 = 10319^2 + 2731^2 .

It is not an unprimeable number, because it can be changed into a prime (113940121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28485029 + ... + 28485032.

Almost surely, 2^113940122 is an apocalyptic number.

113940122 is a deficient number, since it is larger than the sum of its proper divisors (56970064).

113940122 is an equidigital number, since it uses as much as digits as its factorization.

113940122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56970063.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 113940122 is about 10674.2738394703. The cubic root of 113940122 is about 484.7958498857.

Adding to 113940122 its reverse (221049311), we get a palindrome (334989433).

The spelling of 113940122 in words is "one hundred thirteen million, nine hundred forty thousand, one hundred twenty-two".