130244777 has 8 divisors (see below), whose sum is σ = 140978376. Its totient is φ = 119613312.

The previous prime is 130244767. The next prime is 130244783. The reversal of 130244777 is 777442031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7123561 + 123121216 = 2669^2 + 11096^2 .

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

It is not a de Polignac number, because 130244777 - 2¹² = 130240681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130244707) 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, 22868 + ... + 27989.

It is an arithmetic number, because the mean of its divisors is an integer number (17622297).

Almost surely, 2^130244777 is an apocalyptic number.

It is an amenable number.

130244777 is a deficient number, since it is larger than the sum of its proper divisors (10733599).

130244777 is a wasteful number, since it uses less digits than its factorization.

130244777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51067.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 130244777 is about 11412.4833844348. The cubic root of 130244777 is about 506.8974488718.

The spelling of 130244777 in words is "one hundred thirty million, two hundred forty-four thousand, seven hundred seventy-seven".