121523234 has 24 divisors (see below), whose sum is σ = 212540688. Its totient is φ = 51959880.

The previous prime is 121523231. The next prime is 121523239. The reversal of 121523234 is 432325121.

It is not an unprimeable number, because it can be changed into a prime (121523231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50069 + ... + 52439.

It is an arithmetic number, because the mean of its divisors is an integer number (8855862).

Almost surely, 2^121523234 is an apocalyptic number.

121523234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121523234 is a deficient number, since it is larger than the sum of its proper divisors (91017454).

121523234 is a wasteful number, since it uses less digits than its factorization.

121523234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910 (or 2903 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 121523234 is about 11023.7577077873. The cubic root of 121523234 is about 495.3206560947.

Adding to 121523234 its reverse (432325121), we get a palindrome (553848355).

The spelling of 121523234 in words is "one hundred twenty-one million, five hundred twenty-three thousand, two hundred thirty-four".