122503631 has 2 divisors, whose sum is σ = 122503632. Its totient is φ = 122503630.

The previous prime is 122503609. The next prime is 122503643. The reversal of 122503631 is 136305221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122503631 - 2⁶ = 122503567 is a prime.

It is a super-2 number, since 2×122503631² = 30014279216368322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 122503597 and 122503606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122503651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61251815 + 61251816.

It is an arithmetic number, because the mean of its divisors is an integer number (61251816).

Almost surely, 2^122503631 is an apocalyptic number.

122503631 is a deficient number, since it is larger than the sum of its proper divisors (1).

122503631 is an equidigital number, since it uses as much as digits as its factorization.

122503631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 122503631 is about 11068.1358412336. The cubic root of 122503631 is about 496.6491011209.

Adding to 122503631 its reverse (136305221), we get a palindrome (258808852).

The spelling of 122503631 in words is "one hundred twenty-two million, five hundred three thousand, six hundred thirty-one".