1310120245 has 16 divisors (see below), whose sum is σ = 1799422848. Its totient is φ = 897024960.

The previous prime is 1310120239. The next prime is 1310120261. The reversal of 1310120245 is 5420210131.

It is not a de Polignac number, because 1310120245 - 2⁵ = 1310120213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3951 + ... + 51340.

It is an arithmetic number, because the mean of its divisors is an integer number (112463928).

Almost surely, 2^1310120245 is an apocalyptic number.

It is an amenable number.

1310120245 is a deficient number, since it is larger than the sum of its proper divisors (489302603).

1310120245 is an equidigital number, since it uses as much as digits as its factorization.

1310120245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55980.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1310120245 is about 36195.5832250290. The cubic root of 1310120245 is about 1094.2176587558.

Adding to 1310120245 its reverse (5420210131), we get a palindrome (6730330376).

The spelling of 1310120245 in words is "one billion, three hundred ten million, one hundred twenty thousand, two hundred forty-five".