1310125534 has 12 divisors (see below), whose sum is σ = 2030629392. Its totient is φ = 633930780.

The previous prime is 1310125529. The next prime is 1310125541. The reversal of 1310125534 is 4355210131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1310125499 and 1310125508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338902 + ... + 342745.

It is an arithmetic number, because the mean of its divisors is an integer number (169219116).

Almost surely, 2^1310125534 is an apocalyptic number.

1310125534 is a deficient number, since it is larger than the sum of its proper divisors (720503858).

1310125534 is an equidigital number, since it uses as much as digits as its factorization.

1310125534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681711 (or 681680 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1310125534 is about 36195.6562863557. The cubic root of 1310125534 is about 1094.2191312184.

Adding to 1310125534 its reverse (4355210131), we get a palindrome (5665335665).

The spelling of 1310125534 in words is "one billion, three hundred ten million, one hundred twenty-five thousand, five hundred thirty-four".