1113273125 has 20 divisors (see below), whose sum is σ = 1393363356. Its totient is φ = 889200000.

The previous prime is 1113273121. The next prime is 1113273127. The reversal of 1113273125 is 5213723111.

It can be written as a sum of positive squares in 10 ways, for example, as 1112756164 + 516961 = 33358^2 + 719^2 .

It is not a de Polignac number, because 1113273125 - 2² = 1113273121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113273094 and 1113273103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113273121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 584675 + ... + 586575.

Almost surely, 2^1113273125 is an apocalyptic number.

It is an amenable number.

1113273125 is a deficient number, since it is larger than the sum of its proper divisors (280090231).

1113273125 is an frugal number, since it uses more digits than its factorization.

1113273125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 2843 counting only the distinct ones).

The product of its digits is 1260, while the sum is 26.

The square root of 1113273125 is about 33365.7477812202. The cubic root of 1113273125 is about 1036.4155213806.

Adding to 1113273125 its reverse (5213723111), we get a palindrome (6326996236).

The spelling of 1113273125 in words is "one billion, one hundred thirteen million, two hundred seventy-three thousand, one hundred twenty-five".