497400121 has 4 divisors (see below), whose sum is σ = 497466000. Its totient is φ = 497334244.

The previous prime is 497400119. The next prime is 497400157. The reversal of 497400121 is 121004794.

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 497400121 - 2¹ = 497400119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 497400121.

It is not an unprimeable number, because it can be changed into a prime (497400181) 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 3 ways as a sum of consecutive naturals, for example, 19891 + ... + 37288.

It is an arithmetic number, because the mean of its divisors is an integer number (124366500).

Almost surely, 2^497400121 is an apocalyptic number.

It is an amenable number.

497400121 is a deficient number, since it is larger than the sum of its proper divisors (65879).

497400121 is an equidigital number, since it uses as much as digits as its factorization.

497400121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65878.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 497400121 is about 22302.4689440429. The cubic root of 497400121 is about 792.3224511118.

The spelling of 497400121 in words is "four hundred ninety-seven million, four hundred thousand, one hundred twenty-one".