503922121 has 4 divisors (see below), whose sum is σ = 507547600. Its totient is φ = 500296644.

The previous prime is 503922101. The next prime is 503922131. The reversal of 503922121 is 121229305.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 503922121 - 2¹¹ = 503920073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503922101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1812531 + ... + 1812808.

It is an arithmetic number, because the mean of its divisors is an integer number (126886900).

Almost surely, 2^503922121 is an apocalyptic number.

It is an amenable number.

503922121 is a deficient number, since it is larger than the sum of its proper divisors (3625479).

503922121 is a wasteful number, since it uses less digits than its factorization.

503922121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625478.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 503922121 is about 22448.2097504456. The cubic root of 503922121 is about 795.7704493889.

The spelling of 503922121 in words is "five hundred three million, nine hundred twenty-two thousand, one hundred twenty-one".