1204645342 has 4 divisors (see below), whose sum is σ = 1806968016. Its totient is φ = 602322670.

The previous prime is 1204645339. The next prime is 1204645369. The reversal of 1204645342 is 2435464021.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301161334 + ... + 301161337.

It is an arithmetic number, because the mean of its divisors is an integer number (451742004).

Almost surely, 2^1204645342 is an apocalyptic number.

1204645342 is a deficient number, since it is larger than the sum of its proper divisors (602322674).

1204645342 is an equidigital number, since it uses as much as digits as its factorization.

1204645342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602322673.

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

The square root of 1204645342 is about 34708.0011236602. The cubic root of 1204645342 is about 1064.0280292756.

The spelling of 1204645342 in words is "one billion, two hundred four million, six hundred forty-five thousand, three hundred forty-two".