121979350 has 48 divisors (see below), whose sum is σ = 240154272. Its totient is φ = 45999360.

The previous prime is 121979323. The next prime is 121979383. The reversal of 121979350 is 53979121.

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 in 23 ways as a sum of consecutive naturals, for example, 83224 + ... + 84676.

It is an arithmetic number, because the mean of its divisors is an integer number (5003214).

Almost surely, 2^121979350 is an apocalyptic number.

121979350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121979350 is a deficient number, since it is larger than the sum of its proper divisors (118174922).

121979350 is a wasteful number, since it uses less digits than its factorization.

121979350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 121979350 is about 11044.4261960502. The cubic root of 121979350 is about 495.9395819357.

The spelling of 121979350 in words is "one hundred twenty-one million, nine hundred seventy-nine thousand, three hundred fifty".