1125156325 has 6 divisors (see below), whose sum is σ = 1395193874. Its totient is φ = 900125040.

The previous prime is 1125156311. The next prime is 1125156341. The reversal of 1125156325 is 5236515211.

It can be written as a sum of positive squares in 3 ways, for example, as 255968001 + 869188324 = 15999^2 + 29482^2 .

It is not a de Polignac number, because 1125156325 - 2⁵ = 1125156293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22503102 + ... + 22503151.

Almost surely, 2^1125156325 is an apocalyptic number.

It is an amenable number.

1125156325 is a deficient number, since it is larger than the sum of its proper divisors (270037549).

1125156325 is an equidigital number, since it uses as much as digits as its factorization.

1125156325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45006263 (or 45006258 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The square root of 1125156325 is about 33543.3499370591. The cubic root of 1125156325 is about 1040.0900824954.

It can be divided in two parts, 11251 and 56325, that added together give a palindrome (67576).

The spelling of 1125156325 in words is "one billion, one hundred twenty-five million, one hundred fifty-six thousand, three hundred twenty-five".