121411431 has 6 divisors (see below), whose sum is σ = 175372080. Its totient is φ = 80940948.

The previous prime is 121411421. The next prime is 121411441. The reversal of 121411431 is 134114121.

It is an interprime number because it is at equal distance from previous prime (121411421) and next prime (121411441).

It is not a de Polignac number, because 121411431 - 2¹¹ = 121409383 is a prime.

It is a super-2 number, since 2×121411431² = 29481471154935522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121411421) 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 5 ways as a sum of consecutive naturals, for example, 6745071 + ... + 6745088.

It is an arithmetic number, because the mean of its divisors is an integer number (29228680).

Almost surely, 2^121411431 is an apocalyptic number.

121411431 is a deficient number, since it is larger than the sum of its proper divisors (53960649).

121411431 is a wasteful number, since it uses less digits than its factorization.

121411431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13490165 (or 13490162 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 121411431 is about 11018.6855386657. The cubic root of 121411431 is about 495.1687089454.

Adding to 121411431 its reverse (134114121), we get a palindrome (255525552).

The spelling of 121411431 in words is "one hundred twenty-one million, four hundred eleven thousand, four hundred thirty-one".