1331126124 has 24 divisors (see below), whose sum is σ = 3121574400. Its totient is φ = 441478224.

The previous prime is 1331126107. The next prime is 1331126179. The reversal of 1331126124 is 4216211331.

It is a happy number.

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 = 1331126094 and 1331126103.

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, 276324 + ... + 281099.

It is an arithmetic number, because the mean of its divisors is an integer number (130065600).

Almost surely, 2^1331126124 is an apocalyptic number.

It is an amenable number.

1331126124 is an abundant number, since it is smaller than the sum of its proper divisors (1790448276).

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

1331126124 is a wasteful number, since it uses less digits than its factorization.

1331126124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557629 (or 557627 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 1331126124 is about 36484.6011900911. The cubic root of 1331126124 is about 1100.0347438062.

Adding to 1331126124 its reverse (4216211331), we get a palindrome (5547337455).

The spelling of 1331126124 in words is "one billion, three hundred thirty-one million, one hundred twenty-six thousand, one hundred twenty-four".