1312101124 has 24 divisors (see below), whose sum is σ = 2342538968. Its totient is φ = 642919680.

The previous prime is 1312101121. The next prime is 1312101163. The reversal of 1312101124 is 4211012131.

It can be written as a sum of positive squares in 4 ways, for example, as 937024 + 1311164100 = 968^2 + 36210^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1312101098 and 1312101107.

It is not an unprimeable number, because it can be changed into a prime (1312101121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31534 + ... + 60154.

Almost surely, 2^1312101124 is an apocalyptic number.

It is an amenable number.

1312101124 is a deficient number, since it is larger than the sum of its proper divisors (1030437844).

1312101124 is a wasteful number, since it uses less digits than its factorization.

1312101124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28855 (or 28853 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1312101124 is about 36222.9364353582. The cubic root of 1312101124 is about 1094.7688603962.

Adding to 1312101124 its reverse (4211012131), we get a palindrome (5523113255).

The spelling of 1312101124 in words is "one billion, three hundred twelve million, one hundred one thousand, one hundred twenty-four".