1310120545 has 8 divisors (see below), whose sum is σ = 1582557120. Its totient is φ = 1041154800.

The previous prime is 1310120527. The next prime is 1310120557. The reversal of 1310120545 is 5450210131.

It is a happy number.

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

It is not a de Polignac number, because 1310120545 - 2⁷ = 1310120417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866875 + ... + 868384.

It is an arithmetic number, because the mean of its divisors is an integer number (197819640).

Almost surely, 2^1310120545 is an apocalyptic number.

It is an amenable number.

1310120545 is a deficient number, since it is larger than the sum of its proper divisors (272436575).

1310120545 is a wasteful number, since it uses less digits than its factorization.

1310120545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735415.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1310120545 is about 36195.5873691808. The cubic root of 1310120545 is about 1094.2177422762.

Adding to 1310120545 its reverse (5450210131), we get a palindrome (6760330676).

The spelling of 1310120545 in words is "one billion, three hundred ten million, one hundred twenty thousand, five hundred forty-five".