121132631 has 2 divisors, whose sum is σ = 121132632. Its totient is φ = 121132630.

The previous prime is 121132601. The next prime is 121132643. The reversal of 121132631 is 136231121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121132631 - 2¹⁰ = 121131607 is a prime.

It is a super-2 number, since 2×121132631² = 29346228585964322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121132601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60566315 + 60566316.

It is an arithmetic number, because the mean of its divisors is an integer number (60566316).

Almost surely, 2^121132631 is an apocalyptic number.

121132631 is a deficient number, since it is larger than the sum of its proper divisors (1).

121132631 is an equidigital number, since it uses as much as digits as its factorization.

121132631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 20.

The square root of 121132631 is about 11006.0270306773. The cubic root of 121132631 is about 494.7893958351.

Adding to 121132631 its reverse (136231121), we get a palindrome (257363752).

The spelling of 121132631 in words is "one hundred twenty-one million, one hundred thirty-two thousand, six hundred thirty-one".