1125410013 has 48 divisors (see below), whose sum is σ = 2118445056. Its totient is φ = 558696960.

The previous prime is 1125409993. The next prime is 1125410029. The reversal of 1125410013 is 3100145211.

1125410013 is a `hidden beast` number, since 112 + 541 + 0 + 0 + 13 = 666.

It is not a de Polignac number, because 1125410013 - 2⁵ = 1125409981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125410113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26493 + ... + 54338.

It is an arithmetic number, because the mean of its divisors is an integer number (44134272).

Almost surely, 2^1125410013 is an apocalyptic number.

1125410013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1125410013 is a deficient number, since it is larger than the sum of its proper divisors (993035043).

1125410013 is a wasteful number, since it uses less digits than its factorization.

1125410013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80874 (or 80871 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1125410013 is about 33547.1312186303. The cubic root of 1125410013 is about 1040.1682460177.

Adding to 1125410013 its reverse (3100145211), we get a palindrome (4225555224).

The spelling of 1125410013 in words is "one billion, one hundred twenty-five million, four hundred ten thousand, thirteen".