1125425 has 24 divisors (see below), whose sum is σ = 1636800. Its totient is φ = 751680.

The previous prime is 1125419. The next prime is 1125431. The reversal of 1125425 is 5245211.

It is an interprime number because it is at equal distance from previous prime (1125419) and next prime (1125431).

It is not a de Polignac number, because 1125425 - 2⁶ = 1125361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125397 and 1125406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10271 + ... + 10379.

It is an arithmetic number, because the mean of its divisors is an integer number (68200).

2^1125425 is an apocalyptic number.

It is an amenable number.

1125425 is a deficient number, since it is larger than the sum of its proper divisors (511375).

1125425 is a wasteful number, since it uses less digits than its factorization.

1125425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 180 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 1125425 is about 1060.8604997831. The cubic root of 1125425 is about 104.0172863278.

The spelling of 1125425 in words is "one million, one hundred twenty-five thousand, four hundred twenty-five".