121861934 has 8 divisors (see below), whose sum is σ = 192413640. Its totient is φ = 57724056.

The previous prime is 121861931. The next prime is 121861939. The reversal of 121861934 is 439168121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121861894 and 121861903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121861931) 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, 1603409 + ... + 1603484.

It is an arithmetic number, because the mean of its divisors is an integer number (24051705).

Almost surely, 2^121861934 is an apocalyptic number.

121861934 is a deficient number, since it is larger than the sum of its proper divisors (70551706).

121861934 is a wasteful number, since it uses less digits than its factorization.

121861934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206914.

The product of its digits is 10368, while the sum is 35.

The square root of 121861934 is about 11039.1092937791. The cubic root of 121861934 is about 495.7804021614.

The spelling of 121861934 in words is "one hundred twenty-one million, eight hundred sixty-one thousand, nine hundred thirty-four".