121256234 has 16 divisors (see below), whose sum is σ = 199872576. Its totient is φ = 54712800.

The previous prime is 121256203. The next prime is 121256237. The reversal of 121256234 is 432652121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121256237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17102 + ... + 23129.

It is an arithmetic number, because the mean of its divisors is an integer number (12492036).

Almost surely, 2^121256234 is an apocalyptic number.

121256234 is a deficient number, since it is larger than the sum of its proper divisors (78616342).

121256234 is a wasteful number, since it uses less digits than its factorization.

121256234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40381.

The product of its digits is 2880, while the sum is 26.

The square root of 121256234 is about 11011.6408404924. The cubic root of 121256234 is about 494.9576319892.

The spelling of 121256234 in words is "one hundred twenty-one million, two hundred fifty-six thousand, two hundred thirty-four".