995121 has 6 divisors (see below), whose sum is σ = 1437410. Its totient is φ = 663408.

The previous prime is 995119. The next prime is 995147. The reversal of 995121 is 121599.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 876096 + 119025 = 936^2 + 345^2 .

It is not a de Polignac number, because 995121 - 2¹ = 995119 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 (993121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55276 + ... + 55293.

2⁹⁹⁵¹²¹ is an apocalyptic number.

It is an amenable number.

995121 is a deficient number, since it is larger than the sum of its proper divisors (442289).

995121 is a wasteful number, since it uses less digits than its factorization.

995121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110575 (or 110572 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 995121 is about 997.5575171387. The cubic root of 995121 is about 99.8371014514.

The spelling of 995121 in words is "nine hundred ninety-five thousand, one hundred twenty-one".