121793170 has 8 divisors (see below), whose sum is σ = 219227724. Its totient is φ = 48717264.

The previous prime is 121793143. The next prime is 121793171. The reversal of 121793170 is 71397121.

It can be written as a sum of positive squares in 2 ways, for example, as 107557641 + 14235529 = 10371^2 + 3773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121793171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6089649 + ... + 6089668.

Almost surely, 2^121793170 is an apocalyptic number.

121793170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121793170 is a deficient number, since it is larger than the sum of its proper divisors (97434554).

121793170 is a wasteful number, since it uses less digits than its factorization.

121793170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12179324.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 121793170 is about 11035.9942914085. The cubic root of 121793170 is about 495.6871319693.

The spelling of 121793170 in words is "one hundred twenty-one million, seven hundred ninety-three thousand, one hundred seventy".