121706893 has 32 divisors (see below), whose sum is σ = 162328320. Its totient is φ = 88335360.

The previous prime is 121706887. The next prime is 121706903. The reversal of 121706893 is 398607121.

It is a cyclic number.

It is not a de Polignac number, because 121706893 - 2⁵ = 121706861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121706803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142255 + ... + 143107.

It is an arithmetic number, because the mean of its divisors is an integer number (5072760).

Almost surely, 2^121706893 is an apocalyptic number.

It is an amenable number.

121706893 is a deficient number, since it is larger than the sum of its proper divisors (40621427).

121706893 is a wasteful number, since it uses less digits than its factorization.

121706893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 121706893 is about 11032.0847077966. The cubic root of 121706893 is about 495.5700578042.

The spelling of 121706893 in words is "one hundred twenty-one million, seven hundred six thousand, eight hundred ninety-three".