1204097845 has 16 divisors (see below), whose sum is σ = 1571265648. Its totient is φ = 882109440.

The previous prime is 1204097833. The next prime is 1204097903. The reversal of 1204097845 is 5487904021.

It can be written as a sum of positive squares in 8 ways, for example, as 270306481 + 933791364 = 16441^2 + 30558^2 .

It is not a de Polignac number, because 1204097845 - 2⁹ = 1204097333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1204097798 and 1204097807.

It is a congruent number.

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, 188286 + ... + 194575.

It is an arithmetic number, because the mean of its divisors is an integer number (98204103).

Almost surely, 2^1204097845 is an apocalyptic number.

It is an amenable number.

1204097845 is a deficient number, since it is larger than the sum of its proper divisors (367167803).

1204097845 is a wasteful number, since it uses less digits than its factorization.

1204097845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382920.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1204097845 is about 34700.1130401617. The cubic root of 1204097845 is about 1063.8668088150.

The spelling of 1204097845 in words is "one billion, two hundred four million, ninety-seven thousand, eight hundred forty-five".