1204045542 has 72 divisors (see below), whose sum is σ = 3194451000. Its totient is φ = 325902528.

The previous prime is 1204045541. The next prime is 1204045571. The reversal of 1204045542 is 2455404021.

1204045542 is a `hidden beast` number, since 1 + 204 + 0 + 455 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204045541) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19167 + ... + 52682.

It is an arithmetic number, because the mean of its divisors is an integer number (44367375).

Almost surely, 2^1204045542 is an apocalyptic number.

1204045542 is an abundant number, since it is smaller than the sum of its proper divisors (1990405458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1204045542 is a wasteful number, since it uses less digits than its factorization.

1204045542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71890 (or 71880 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1204045542 is about 34699.3593888994. The cubic root of 1204045542 is about 1063.8514046871.

Adding to 1204045542 its reverse (2455404021), we get a palindrome (3659449563).

The spelling of 1204045542 in words is "one billion, two hundred four million, forty-five thousand, five hundred forty-two".