1042420453 has 2 divisors, whose sum is σ = 1042420454. Its totient is φ = 1042420452.

The previous prime is 1042420451. The next prime is 1042420469. The reversal of 1042420453 is 3540242401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 708517924 + 333902529 = 26618^2 + 18273^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042420453 - 2¹ = 1042420451 is a prime.

Together with 1042420451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042420451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521210226 + 521210227.

It is an arithmetic number, because the mean of its divisors is an integer number (521210227).

Almost surely, 2^1042420453 is an apocalyptic number.

It is an amenable number.

1042420453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042420453 is an equidigital number, since it uses as much as digits as its factorization.

1042420453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1042420453 is about 32286.5367142405. The cubic root of 1042420453 is about 1013.9447899453.

Adding to 1042420453 its reverse (3540242401), we get a palindrome (4582662854).

The spelling of 1042420453 in words is "one billion, forty-two million, four hundred twenty thousand, four hundred fifty-three".