121650937 has 2 divisors, whose sum is σ = 121650938. Its totient is φ = 121650936.

The previous prime is 121650871. The next prime is 121650943. The reversal of 121650937 is 739056121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107931321 + 13719616 = 10389^2 + 3704^2 .

It is a cyclic number.

It is not a de Polignac number, because 121650937 - 2¹⁵ = 121618169 is a prime.

It is not a weakly prime, because it can be changed into another prime (121650967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60825468 + 60825469.

It is an arithmetic number, because the mean of its divisors is an integer number (60825469).

Almost surely, 2^121650937 is an apocalyptic number.

It is an amenable number.

121650937 is a deficient number, since it is larger than the sum of its proper divisors (1).

121650937 is an equidigital number, since it uses as much as digits as its factorization.

121650937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 121650937 is about 11029.5483588404. The cubic root of 121650937 is about 495.4940983459.

The spelling of 121650937 in words is "one hundred twenty-one million, six hundred fifty thousand, nine hundred thirty-seven".