121431694 has 8 divisors (see below), whose sum is σ = 183951288. Its totient is φ = 60114600.

The previous prime is 121431683. The next prime is 121431703. The reversal of 121431694 is 496134121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300372 + ... + 300775.

It is an arithmetic number, because the mean of its divisors is an integer number (22993911).

Almost surely, 2^121431694 is an apocalyptic number.

121431694 is a deficient number, since it is larger than the sum of its proper divisors (62519594).

121431694 is a wasteful number, since it uses less digits than its factorization.

121431694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601250.

The product of its digits is 5184, while the sum is 31.

The square root of 121431694 is about 11019.6049838458. The cubic root of 121431694 is about 495.1962545270.

The spelling of 121431694 in words is "one hundred twenty-one million, four hundred thirty-one thousand, six hundred ninety-four".