495191121 has 8 divisors (see below), whose sum is σ = 660463104. Its totient is φ = 330023280.

The previous prime is 495191119. The next prime is 495191131. The reversal of 495191121 is 121191594.

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

It is not a de Polignac number, because 495191121 - 2¹ = 495191119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (495191131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14166 + ... + 34511.

It is an arithmetic number, because the mean of its divisors is an integer number (82557888).

Almost surely, 2^495191121 is an apocalyptic number.

It is an amenable number.

495191121 is a deficient number, since it is larger than the sum of its proper divisors (165271983).

495191121 is a wasteful number, since it uses less digits than its factorization.

495191121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52071.

The product of its digits is 3240, while the sum is 33.

The square root of 495191121 is about 22252.8901718406. The cubic root of 495191121 is about 791.1477846643.

The spelling of 495191121 in words is "four hundred ninety-five million, one hundred ninety-one thousand, one hundred twenty-one".