1115412125 has 16 divisors (see below), whose sum is σ = 1397491056. Its totient is φ = 888832000.

The previous prime is 1115412107. The next prime is 1115412149. The reversal of 1115412125 is 5212145111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 59552089 + 1055860036 = 7717^2 + 32494^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1115412125 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1115412125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14765 + ... + 49485.

It is an arithmetic number, because the mean of its divisors is an integer number (87343191).

Almost surely, 2^1115412125 is an apocalyptic number.

It is an amenable number.

1115412125 is a deficient number, since it is larger than the sum of its proper divisors (282078931).

1115412125 is an equidigital number, since it uses as much as digits as its factorization.

1115412125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34993 (or 34983 counting only the distinct ones).

The product of its digits is 400, while the sum is 23.

The square root of 1115412125 is about 33397.7862290302. The cubic root of 1115412125 is about 1037.0788729717.

Adding to 1115412125 its reverse (5212145111), we get a palindrome (6327557236).

The spelling of 1115412125 in words is "one billion, one hundred fifteen million, four hundred twelve thousand, one hundred twenty-five".