121411131 has 8 divisors (see below), whose sum is σ = 162371904. Its totient is φ = 80695560.

The previous prime is 121411123. The next prime is 121411133. The reversal of 121411131 is 131114121.

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

It is not a de Polignac number, because 121411131 - 2³ = 121411123 is a prime.

It is a super-2 number, since 2×121411131² = 29481325461398322, 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 121411131.

It is not an unprimeable number, because it can be changed into a prime (121411133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60141 + ... + 62126.

It is an arithmetic number, because the mean of its divisors is an integer number (20296488).

Almost surely, 2^121411131 is an apocalyptic number.

121411131 is a deficient number, since it is larger than the sum of its proper divisors (40960773).

121411131 is a wasteful number, since it uses less digits than its factorization.

121411131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122601.

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

The square root of 121411131 is about 11018.6719254182. The cubic root of 121411131 is about 495.1683011015.

Adding to 121411131 its reverse (131114121), we get a palindrome (252525252).

The spelling of 121411131 in words is "one hundred twenty-one million, four hundred eleven thousand, one hundred thirty-one".