121264503 has 8 divisors (see below), whose sum is σ = 166056048. Its totient is φ = 78657984.

The previous prime is 121264499. The next prime is 121264513. The reversal of 121264503 is 305462121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121264503 - 2² = 121264499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121264513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546126 + ... + 546347.

It is an arithmetic number, because the mean of its divisors is an integer number (20757006).

Almost surely, 2^121264503 is an apocalyptic number.

121264503 is a deficient number, since it is larger than the sum of its proper divisors (44791545).

121264503 is a wasteful number, since it uses less digits than its factorization.

121264503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092513.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 121264503 is about 11012.0163003875. The cubic root of 121264503 is about 494.9688828516.

The spelling of 121264503 in words is "one hundred twenty-one million, two hundred sixty-four thousand, five hundred three".