1243200004 has 48 divisors (see below), whose sum is σ = 2368795968. Its totient is φ = 568608768.

The previous prime is 1243199983. The next prime is 1243200017. The reversal of 1243200004 is 4000023421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662812 + ... + 664684.

It is an arithmetic number, because the mean of its divisors is an integer number (49349916).

Almost surely, 2^1243200004 is an apocalyptic number.

It is an amenable number.

1243200004 is a deficient number, since it is larger than the sum of its proper divisors (1125595964).

1243200004 is a wasteful number, since it uses less digits than its factorization.

1243200004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1243200004 is about 35259.0414503855. The cubic root of 1243200004 is about 1075.2604392241.

Adding to 1243200004 its reverse (4000023421), we get a palindrome (5243223425).

The spelling of 1243200004 in words is "one billion, two hundred forty-three million, two hundred thousand, four".