1243046425 has 12 divisors (see below), whose sum is σ = 1544482000. Its totient is φ = 992434320.

The previous prime is 1243046417. The next prime is 1243046447. The reversal of 1243046425 is 5246403421.

It is not a de Polignac number, because 1243046425 - 2³ = 1243046417 is a prime.

It is a super-3 number, since 3×1243046425³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 37347 + ... + 62296.

Almost surely, 2^1243046425 is an apocalyptic number.

It is an amenable number.

1243046425 is a deficient number, since it is larger than the sum of its proper divisors (301435575).

1243046425 is an equidigital number, since it uses as much as digits as its factorization.

1243046425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100152 (or 100147 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 1243046425 is about 35256.8635162006. The cubic root of 1243046425 is about 1075.2161598850.

Adding to 1243046425 its reverse (5246403421), we get a palindrome (6489449846).

The spelling of 1243046425 in words is "one billion, two hundred forty-three million, forty-six thousand, four hundred twenty-five".