1042005453 has 4 divisors (see below), whose sum is σ = 1389340608. Its totient is φ = 694670300.

The previous prime is 1042005451. The next prime is 1042005473. The reversal of 1042005453 is 3545002401.

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 not a de Polignac number, because 1042005453 - 2¹ = 1042005451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042005451) 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, 173667573 + ... + 173667578.

It is an arithmetic number, because the mean of its divisors is an integer number (347335152).

Almost surely, 2^1042005453 is an apocalyptic number.

It is an amenable number.

1042005453 is a deficient number, since it is larger than the sum of its proper divisors (347335155).

1042005453 is an equidigital number, since it uses as much as digits as its factorization.

1042005453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347335154.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1042005453 is about 32280.1092470270. The cubic root of 1042005453 is about 1013.8102175856.

Adding to 1042005453 its reverse (3545002401), we get a palindrome (4587007854).

The spelling of 1042005453 in words is "one billion, forty-two million, five thousand, four hundred fifty-three".