121234903 has 16 divisors (see below), whose sum is σ = 127897056. Its totient is φ = 114791040.

The previous prime is 121234891. The next prime is 121234913. The reversal of 121234903 is 309432121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121234903 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121234913) 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, 413625 + ... + 413917.

It is an arithmetic number, because the mean of its divisors is an integer number (7993566).

Almost surely, 2^121234903 is an apocalyptic number.

121234903 is a deficient number, since it is larger than the sum of its proper divisors (6662153).

121234903 is a wasteful number, since it uses less digits than its factorization.

121234903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 121234903 is about 11010.6722319757. The cubic root of 121234903 is about 494.9286065113.

The spelling of 121234903 in words is "one hundred twenty-one million, two hundred thirty-four thousand, nine hundred three".