121670850 has 48 divisors (see below), whose sum is σ = 344852928. Its totient is φ = 27810240.

The previous prime is 121670849. The next prime is 121670873. The reversal of 121670850 is 58076121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56889 + ... + 58988.

It is an arithmetic number, because the mean of its divisors is an integer number (7184436).

Almost surely, 2^121670850 is an apocalyptic number.

121670850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121670850 is an abundant number, since it is smaller than the sum of its proper divisors (223182078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121670850 is a wasteful number, since it uses less digits than its factorization.

121670850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115899 (or 115894 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 121670850 is about 11030.4510333893. The cubic root of 121670850 is about 495.5211326237.

The spelling of 121670850 in words is "one hundred twenty-one million, six hundred seventy thousand, eight hundred fifty".