121683254 has 32 divisors (see below), whose sum is σ = 228289536. Its totient is φ = 47257920.

The previous prime is 121683253. The next prime is 121683257. The reversal of 121683254 is 452386121.

It is a self number, because there is not a number n which added to its sum of digits gives 121683254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121683253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55442 + ... + 57594.

It is an arithmetic number, because the mean of its divisors is an integer number (7134048).

Almost surely, 2^121683254 is an apocalyptic number.

121683254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121683254 is a deficient number, since it is larger than the sum of its proper divisors (106606282).

121683254 is a wasteful number, since it uses less digits than its factorization.

121683254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540.

The product of its digits is 11520, while the sum is 32.

The square root of 121683254 is about 11031.0132807462. The cubic root of 121683254 is about 495.5379710454.

The spelling of 121683254 in words is "one hundred twenty-one million, six hundred eighty-three thousand, two hundred fifty-four".