121955696 has 10 divisors (see below), whose sum is σ = 236289192. Its totient is φ = 60977840.

The previous prime is 121955677. The next prime is 121955719. The reversal of 121955696 is 696559121.

It is a congruent number.

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, 3811100 + ... + 3811131.

Almost surely, 2^121955696 is an apocalyptic number.

121955696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121955696 is a deficient number, since it is larger than the sum of its proper divisors (114333496).

121955696 is an equidigital number, since it uses as much as digits as its factorization.

121955696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7622239 (or 7622233 counting only the distinct ones).

The product of its digits is 145800, while the sum is 44.

The square root of 121955696 is about 11043.3552872304. The cubic root of 121955696 is about 495.9075226480.

The spelling of 121955696 in words is "one hundred twenty-one million, nine hundred fifty-five thousand, six hundred ninety-six".