121934507 has 2 divisors, whose sum is σ = 121934508. Its totient is φ = 121934506.

The previous prime is 121934479. The next prime is 121934509. The reversal of 121934507 is 705439121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121934507 - 2⁶ = 121934443 is a prime.

Together with 121934509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121934509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60967253 + 60967254.

It is an arithmetic number, because the mean of its divisors is an integer number (60967254).

Almost surely, 2^121934507 is an apocalyptic number.

121934507 is a deficient number, since it is larger than the sum of its proper divisors (1).

121934507 is an equidigital number, since it uses as much as digits as its factorization.

121934507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 121934507 is about 11042.3958903854. The cubic root of 121934507 is about 495.8788007612.

The spelling of 121934507 in words is "one hundred twenty-one million, nine hundred thirty-four thousand, five hundred seven".