1243250104 has 16 divisors (see below), whose sum is σ = 2453783400. Its totient is φ = 588907872.

The previous prime is 1243250087. The next prime is 1243250143. The reversal of 1243250104 is 4010523421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4089487 + ... + 4089790.

Almost surely, 2^1243250104 is an apocalyptic number.

It is an amenable number.

1243250104 is a deficient number, since it is larger than the sum of its proper divisors (1210533296).

1243250104 is a wasteful number, since it uses less digits than its factorization.

1243250104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179302 (or 8179298 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1243250104 is about 35259.7518992973. The cubic root of 1243250104 is about 1075.2748830852.

Adding to 1243250104 its reverse (4010523421), we get a palindrome (5253773525).

The spelling of 1243250104 in words is "one billion, two hundred forty-three million, two hundred fifty thousand, one hundred four".