1125406625 has 32 divisors (see below), whose sum is σ = 1660538880. Its totient is φ = 745080000.

The previous prime is 1125406603. The next prime is 1125406627. The reversal of 1125406625 is 5266045211.

It is not a de Polignac number, because 1125406625 - 2⁶ = 1125406561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125406591 and 1125406600.

It is not an unprimeable number, because it can be changed into a prime (1125406627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3200 + ... + 47550.

It is an arithmetic number, because the mean of its divisors is an integer number (51891840).

Almost surely, 2^1125406625 is an apocalyptic number.

It is an amenable number.

1125406625 is a deficient number, since it is larger than the sum of its proper divisors (535132255).

1125406625 is an equidigital number, since it uses as much as digits as its factorization.

1125406625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44402 (or 44392 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1125406625 is about 33547.0807224712. The cubic root of 1125406625 is about 1040.1672022223.

The spelling of 1125406625 in words is "one billion, one hundred twenty-five million, four hundred six thousand, six hundred twenty-five".