130074721 has 16 divisors (see below), whose sum is σ = 153609984. Its totient is φ = 107815104.

The previous prime is 130074719. The next prime is 130074727. The reversal of 130074721 is 127470031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 130074721 - 2¹ = 130074719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130074727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43356 + ... + 46258.

It is an arithmetic number, because the mean of its divisors is an integer number (9600624).

Almost surely, 2^130074721 is an apocalyptic number.

It is an amenable number.

130074721 is a deficient number, since it is larger than the sum of its proper divisors (23535263).

130074721 is a wasteful number, since it uses less digits than its factorization.

130074721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 130074721 is about 11405.0305128921. The cubic root of 130074721 is about 506.6767400948.

The spelling of 130074721 in words is "one hundred thirty million, seventy-four thousand, seven hundred twenty-one".