1204305493 has 8 divisors (see below), whose sum is σ = 1226344376. Its totient is φ = 1182340800.

The previous prime is 1204305457. The next prime is 1204305521. The reversal of 1204305493 is 3945034021.

It can be written as a sum of positive squares in 4 ways, for example, as 80245764 + 1124059729 = 8958^2 + 33527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1204305493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204305593) 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, 14755 + ... + 51247.

It is an arithmetic number, because the mean of its divisors is an integer number (153293047).

Almost surely, 2^1204305493 is an apocalyptic number.

It is an amenable number.

1204305493 is a deficient number, since it is larger than the sum of its proper divisors (22038883).

1204305493 is an equidigital number, since it uses as much as digits as its factorization.

1204305493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37095.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1204305493 is about 34703.1049475404. The cubic root of 1204305493 is about 1063.9279603010.

The spelling of 1204305493 in words is "one billion, two hundred four million, three hundred five thousand, four hundred ninety-three".