121746951 has 24 divisors (see below), whose sum is σ = 182108160. Its totient is φ = 78296400.

The previous prime is 121746943. The next prime is 121746953. The reversal of 121746951 is 159647121.

It is not a de Polignac number, because 121746951 - 2³ = 121746943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121746953) 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 in 23 ways as a sum of consecutive naturals, for example, 133186 + ... + 134096.

It is an arithmetic number, because the mean of its divisors is an integer number (7587840).

Almost surely, 2^121746951 is an apocalyptic number.

121746951 is a deficient number, since it is larger than the sum of its proper divisors (60361209).

121746951 is a wasteful number, since it uses less digits than its factorization.

121746951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427 (or 1424 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 121746951 is about 11033.9000811137. The cubic root of 121746951 is about 495.6244216596.

The spelling of 121746951 in words is "one hundred twenty-one million, seven hundred forty-six thousand, nine hundred fifty-one".