1154425 has 12 divisors (see below), whose sum is σ = 1456876. Its totient is φ = 907200.

The previous prime is 1154411. The next prime is 1154431. The reversal of 1154425 is 5244511.

It can be written as a sum of positive squares in 6 ways, for example, as 162409 + 992016 = 403^2 + 996^2 .

It is not a de Polignac number, because 1154425 - 2⁷ = 1154297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154396 and 1154405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1147 + ... + 1903.

2^1154425 is an apocalyptic number.

It is an amenable number.

1154425 is a deficient number, since it is larger than the sum of its proper divisors (302451).

1154425 is an equidigital number, since it uses as much as digits as its factorization.

1154425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 823 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 1154425 is about 1074.4417154969. The cubic root of 1154425 is about 104.9031609039.

Adding to 1154425 its reverse (5244511), we get a palindrome (6398936).

The spelling of 1154425 in words is "one million, one hundred fifty-four thousand, four hundred twenty-five".