1125365113 has 4 divisors (see below), whose sum is σ = 1126756980. Its totient is φ = 1123973248.

The previous prime is 1125365107. The next prime is 1125365119. The reversal of 1125365113 is 3115635211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1125365107) and next prime (1125365119).

It can be written as a sum of positive squares in 2 ways, for example, as 647855209 + 477509904 = 25453^2 + 21852^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125365113 - 2⁵ = 1125365081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125365119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694720 + ... + 696337.

It is an arithmetic number, because the mean of its divisors is an integer number (281689245).

Almost surely, 2^1125365113 is an apocalyptic number.

It is an amenable number.

1125365113 is a deficient number, since it is larger than the sum of its proper divisors (1391867).

1125365113 is an equidigital number, since it uses as much as digits as its factorization.

1125365113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391866.

The product of its digits is 2700, while the sum is 28.

The square root of 1125365113 is about 33546.4620042114. The cubic root of 1125365113 is about 1040.1544127851.

It can be divided in two parts, 112536 and 5113, that added together give a 6-th power (117649 = 7⁶).

The spelling of 1125365113 in words is "one billion, one hundred twenty-five million, three hundred sixty-five thousand, one hundred thirteen".