610763121 has 6 divisors (see below), whose sum is σ = 882213410. Its totient is φ = 407175408.

The previous prime is 610763093. The next prime is 610763143. The reversal of 610763121 is 121367016.

610763121 is a `hidden beast` number, since 6 + 1 + 0 + 7 + 631 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 610633521 + 129600 = 24711^2 + 360^2 .

It is not a de Polignac number, because 610763121 - 2⁷ = 610762993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610763191) 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 5 ways as a sum of consecutive naturals, for example, 33931276 + ... + 33931293.

Almost surely, 2^610763121 is an apocalyptic number.

It is an amenable number.

610763121 is a deficient number, since it is larger than the sum of its proper divisors (271450289).

610763121 is a wasteful number, since it uses less digits than its factorization.

610763121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67862575 (or 67862572 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 610763121 is about 24713.6221748250. The cubic root of 610763121 is about 848.4461211887.

The spelling of 610763121 in words is "six hundred ten million, seven hundred sixty-three thousand, one hundred twenty-one".