1111313124 has 18 divisors (see below), whose sum is σ = 2809152710. Its totient is φ = 370437696.

The previous prime is 1111313117. The next prime is 1111313143. The reversal of 1111313124 is 4213131111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 980942400 + 130370724 = 31320^2 + 11418^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×1111313124³ (a number of 28 digits) contains 333 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1111313097 and 1111313106.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15434869 + ... + 15434940.

Almost surely, 2^1111313124 is an apocalyptic number.

It is an amenable number.

1111313124 is an abundant number, since it is smaller than the sum of its proper divisors (1697839586).

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

1111313124 is a wasteful number, since it uses less digits than its factorization.

1111313124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30869819 (or 30869814 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1111313124 is about 33336.3633889481. The cubic root of 1111313124 is about 1035.8069349491.

Adding to 1111313124 its reverse (4213131111), we get a palindrome (5324444235).

The spelling of 1111313124 in words is "one billion, one hundred eleven million, three hundred thirteen thousand, one hundred twenty-four".