1242345304 has 32 divisors (see below), whose sum is σ = 2372706000. Its totient is φ = 609725952.

The previous prime is 1242345301. The next prime is 1242345323. The reversal of 1242345304 is 4035432421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242345301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92692 + ... + 105244.

Almost surely, 2^1242345304 is an apocalyptic number.

It is an amenable number.

1242345304 is a deficient number, since it is larger than the sum of its proper divisors (1130360696).

1242345304 is a wasteful number, since it uses less digits than its factorization.

1242345304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12787 (or 12783 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1242345304 is about 35246.9190710337. The cubic root of 1242345304 is about 1075.0139688828.

Adding to 1242345304 its reverse (4035432421), we get a palindrome (5277777725).

The spelling of 1242345304 in words is "one billion, two hundred forty-two million, three hundred forty-five thousand, three hundred four".