1204051493 has 4 divisors (see below), whose sum is σ = 1245570540. Its totient is φ = 1162532448.

The previous prime is 1204051487. The next prime is 1204051529. The reversal of 1204051493 is 3941504021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 486775969 + 717275524 = 22063^2 + 26782^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204051493 - 2²² = 1199857189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 41519017 = 1204051493 / (1 + 2 + 0 + 4 + 0 + 5 + 1 + 4 + 9 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204051393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20759480 + ... + 20759537.

It is an arithmetic number, because the mean of its divisors is an integer number (311392635).

Almost surely, 2^1204051493 is an apocalyptic number.

It is an amenable number.

1204051493 is a deficient number, since it is larger than the sum of its proper divisors (41519047).

1204051493 is an equidigital number, since it uses as much as digits as its factorization.

1204051493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41519046.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1204051493 is about 34699.4451396561. The cubic root of 1204051493 is about 1063.8531573809.

The spelling of 1204051493 in words is "one billion, two hundred four million, fifty-one thousand, four hundred ninety-three".