1235251125 has 48 divisors (see below), whose sum is σ = 2268869616. Its totient is φ = 646339200.

The previous prime is 1235251099. The next prime is 1235251139. The reversal of 1235251125 is 5211525321.

1235251125 is a `hidden beast` number, since 1 + 23 + 525 + 112 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 648109764 + 587141361 = 25458^2 + 24231^2 .

It is not a de Polignac number, because 1235251125 - 2⁷ = 1235250997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49267 + ... + 69983.

It is an arithmetic number, because the mean of its divisors is an integer number (47268117).

Almost surely, 2^1235251125 is an apocalyptic number.

1235251125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1235251125 is a deficient number, since it is larger than the sum of its proper divisors (1033618491).

1235251125 is a wasteful number, since it uses less digits than its factorization.

1235251125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20791 (or 20778 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 1235251125 is about 35146.1395461863. The cubic root of 1235251125 is about 1072.9638399887.

Adding to 1235251125 its reverse (5211525321), we get a palindrome (6446776446).

The spelling of 1235251125 in words is "one billion, two hundred thirty-five million, two hundred fifty-one thousand, one hundred twenty-five".