1042404553 has 4 divisors (see below), whose sum is σ = 1054963728. Its totient is φ = 1029845380.

The previous prime is 1042404529. The next prime is 1042404557. The reversal of 1042404553 is 3554042401.

1042404553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042404553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042404557) 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, 6279463 + ... + 6279628.

It is an arithmetic number, because the mean of its divisors is an integer number (263740932).

Almost surely, 2^1042404553 is an apocalyptic number.

It is an amenable number.

1042404553 is a deficient number, since it is larger than the sum of its proper divisors (12559175).

1042404553 is an equidigital number, since it uses as much as digits as its factorization.

1042404553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12559174.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1042404553 is about 32286.2904806359. The cubic root of 1042404553 is about 1013.9396346985.

Adding to 1042404553 its reverse (3554042401), we get a palindrome (4596446954).

The spelling of 1042404553 in words is "one billion, forty-two million, four hundred four thousand, five hundred fifty-three".