121356850 has 12 divisors (see below), whose sum is σ = 225723834. Its totient is φ = 48542720.

The previous prime is 121356817. The next prime is 121356881. The reversal of 121356850 is 58653121.

It can be written as a sum of positive squares in 3 ways, for example, as 105124009 + 16232841 = 10253^2 + 4029^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1213519 + ... + 1213618.

Almost surely, 2^121356850 is an apocalyptic number.

121356850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121356850 is a deficient number, since it is larger than the sum of its proper divisors (104366984).

121356850 is a wasteful number, since it uses less digits than its factorization.

121356850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427149 (or 2427144 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 121356850 is about 11016.2085129141. The cubic root of 121356850 is about 495.0944961246.

The spelling of 121356850 in words is "one hundred twenty-one million, three hundred fifty-six thousand, eight hundred fifty".