1300120131 has 4 divisors (see below), whose sum is σ = 1733493512. Its totient is φ = 866746752.

The previous prime is 1300120123. The next prime is 1300120147. The reversal of 1300120131 is 1310210031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1300120131 - 2³ = 1300120123 is a prime.

It is a super-2 number, since 2×1300120131² = 3380624710062914322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300120181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216686686 + ... + 216686691.

It is an arithmetic number, because the mean of its divisors is an integer number (433373378).

Almost surely, 2^1300120131 is an apocalyptic number.

1300120131 is a deficient number, since it is larger than the sum of its proper divisors (433373381).

1300120131 is an equidigital number, since it uses as much as digits as its factorization.

1300120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433373380.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1300120131 is about 36057.1786333873. The cubic root of 1300120131 is about 1091.4265000047.

Adding to 1300120131 its reverse (1310210031), we get a palindrome (2610330162).

The spelling of 1300120131 in words is "one billion, three hundred million, one hundred twenty thousand, one hundred thirty-one".