121954922 has 4 divisors (see below), whose sum is σ = 182932386. Its totient is φ = 60977460.

The previous prime is 121954919. The next prime is 121954949. The reversal of 121954922 is 229459121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229459121 = 67 ⋅3424763.

It can be written as a sum of positive squares in only one way, i.e., 109641841 + 12313081 = 10471^2 + 3509^2 .

It is an unprimeable number.

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, 30488729 + ... + 30488732.

Almost surely, 2^121954922 is an apocalyptic number.

121954922 is a deficient number, since it is larger than the sum of its proper divisors (60977464).

121954922 is an equidigital number, since it uses as much as digits as its factorization.

121954922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60977463.

The product of its digits is 12960, while the sum is 35.

The square root of 121954922 is about 11043.3202434775. The cubic root of 121954922 is about 495.9064735424.

The spelling of 121954922 in words is "one hundred twenty-one million, nine hundred fifty-four thousand, nine hundred twenty-two".