1313012124 has 72 divisors (see below), whose sum is σ = 3349906560. Its totient is φ = 433620000.

The previous prime is 1313012123. The next prime is 1313012189. The reversal of 1313012124 is 4212103131.

1313012124 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1313012097 and 1313012106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313012123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2990697 + ... + 2991135.

It is an arithmetic number, because the mean of its divisors is an integer number (46526480).

Almost surely, 2^1313012124 is an apocalyptic number.

It is an amenable number.

1313012124 is an abundant number, since it is smaller than the sum of its proper divisors (2036894436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313012124 is a wasteful number, since it uses less digits than its factorization.

1313012124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1313012124 is about 36235.5091588348. The cubic root of 1313012124 is about 1095.0221700647.

Adding to 1313012124 its reverse (4212103131), we get a palindrome (5525115255).

The spelling of 1313012124 in words is "one billion, three hundred thirteen million, twelve thousand, one hundred twenty-four".