121153934 has 32 divisors (see below), whose sum is σ = 215060832. Its totient is φ = 50560000.

The previous prime is 121153931. The next prime is 121153943. The reversal of 121153934 is 439351121.

It is a junction number, because it is equal to n+sod(n) for n = 121153897 and 121153906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121153931) 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, 11384 + ... + 19284.

It is an arithmetic number, because the mean of its divisors is an integer number (6720651).

Almost surely, 2^121153934 is an apocalyptic number.

121153934 is a deficient number, since it is larger than the sum of its proper divisors (93906898).

121153934 is a wasteful number, since it uses less digits than its factorization.

121153934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7972.

The product of its digits is 3240, while the sum is 29.

The square root of 121153934 is about 11006.9947760504. The cubic root of 121153934 is about 494.8183995274.

The spelling of 121153934 in words is "one hundred twenty-one million, one hundred fifty-three thousand, nine hundred thirty-four".