1243104325 has 12 divisors (see below), whose sum is σ = 1542802048. Its totient is φ = 993610800.

The previous prime is 1243104319. The next prime is 1243104337. The reversal of 1243104325 is 5234013421.

It is not a de Polignac number, because 1243104325 - 2¹³ = 1243096133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1243104325.

It is a congruent number.

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, 8044 + ... + 50506.

Almost surely, 2^1243104325 is an apocalyptic number.

It is an amenable number.

1243104325 is a deficient number, since it is larger than the sum of its proper divisors (299697723).

1243104325 is a wasteful number, since it uses less digits than its factorization.

1243104325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43644 (or 43639 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1243104325 is about 35257.6846233555. The cubic root of 1243104325 is about 1075.2328538309.

Adding to 1243104325 its reverse (5234013421), we get a palindrome (6477117746).

The spelling of 1243104325 in words is "one billion, two hundred forty-three million, one hundred four thousand, three hundred twenty-five".