121931614 has 16 divisors (see below), whose sum is σ = 209289600. Its totient is φ = 52190424.

The previous prime is 121931603. The next prime is 121931639. The reversal of 121931614 is 416139121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6957 + ... + 17095.

It is an arithmetic number, because the mean of its divisors is an integer number (13080600).

Almost surely, 2^121931614 is an apocalyptic number.

121931614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121931614 is a deficient number, since it is larger than the sum of its proper divisors (87357986).

121931614 is a wasteful number, since it uses less digits than its factorization.

121931614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11007.

The product of its digits is 1296, while the sum is 28.

The square root of 121931614 is about 11042.2648944861. The cubic root of 121931614 is about 495.8748790145.

The spelling of 121931614 in words is "one hundred twenty-one million, nine hundred thirty-one thousand, six hundred fourteen".