121410131 has 4 divisors (see below), whose sum is σ = 121433232. Its totient is φ = 121387032.

The previous prime is 121410127. The next prime is 121410139. The reversal of 121410131 is 131014121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121410131 - 2² = 121410127 is a prime.

It is a super-2 number, since 2×121410131² = 29480839818874322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121410139) 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, 581 + ... + 15593.

It is an arithmetic number, because the mean of its divisors is an integer number (30358308).

Almost surely, 2^121410131 is an apocalyptic number.

121410131 is a deficient number, since it is larger than the sum of its proper divisors (23101).

121410131 is an equidigital number, since it uses as much as digits as its factorization.

121410131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23100.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 121410131 is about 11018.6265478053. The cubic root of 121410131 is about 495.1669416170.

Adding to 121410131 its reverse (131014121), we get a palindrome (252424252).

The spelling of 121410131 in words is "one hundred twenty-one million, four hundred ten thousand, one hundred thirty-one".