499753121 has 8 divisors (see below), whose sum is σ = 575316480. Its totient is φ = 425232288.

The previous prime is 499753087. The next prime is 499753123. The reversal of 499753121 is 121357994.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499753121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (499753123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259601 + ... + 261518.

It is an arithmetic number, because the mean of its divisors is an integer number (71914560).

Almost surely, 2^499753121 is an apocalyptic number.

It is an amenable number.

499753121 is a deficient number, since it is larger than the sum of its proper divisors (75563359).

499753121 is a wasteful number, since it uses less digits than its factorization.

499753121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521263.

The product of its digits is 68040, while the sum is 41.

The square root of 499753121 is about 22355.1587111342. The cubic root of 499753121 is about 793.5698724832.

The spelling of 499753121 in words is "four hundred ninety-nine million, seven hundred fifty-three thousand, one hundred twenty-one".