495777121 has 16 divisors (see below), whose sum is σ = 592761600. Its totient is φ = 405427968.

The previous prime is 495777109. The next prime is 495777131. The reversal of 495777121 is 121777594.

It is a cyclic number.

It is not a de Polignac number, because 495777121 - 2⁹ = 495776609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495777131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62085 + ... + 69613.

It is an arithmetic number, because the mean of its divisors is an integer number (37047600).

Almost surely, 2^495777121 is an apocalyptic number.

It is an amenable number.

495777121 is a deficient number, since it is larger than the sum of its proper divisors (96984479).

495777121 is a wasteful number, since it uses less digits than its factorization.

495777121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968.

The product of its digits is 123480, while the sum is 43.

The square root of 495777121 is about 22266.0531078141. The cubic root of 495777121 is about 791.4597381879.

The spelling of 495777121 in words is "four hundred ninety-five million, seven hundred seventy-seven thousand, one hundred twenty-one".