113121141 has 16 divisors (see below), whose sum is σ = 178320000. Its totient is φ = 62411328.

The previous prime is 113121121. The next prime is 113121157. The reversal of 113121141 is 141121311.

It is not a de Polignac number, because 113121141 - 2¹⁸ = 112858997 is a prime.

It is a super-2 number, since 2×113121141² = 25592785082283762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113121141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113121101) 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 15 ways as a sum of consecutive naturals, for example, 92266 + ... + 93483.

It is an arithmetic number, because the mean of its divisors is an integer number (11145000).

Almost surely, 2^113121141 is an apocalyptic number.

It is an amenable number.

113121141 is a deficient number, since it is larger than the sum of its proper divisors (65198859).

113121141 is a wasteful number, since it uses less digits than its factorization.

113121141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185788.

The product of its digits is 24, while the sum is 15.

The square root of 113121141 is about 10635.8422797633. The cubic root of 113121141 is about 483.6315140911.

Adding to 113121141 its reverse (141121311), we get a palindrome (254242452).

The spelling of 113121141 in words is "one hundred thirteen million, one hundred twenty-one thousand, one hundred forty-one".