1042456 has 8 divisors (see below), whose sum is σ = 1954620. Its totient is φ = 521224.

The previous prime is 1042451. The next prime is 1042469. The reversal of 1042456 is 6542401.

1042456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65146 + ... + 65161.

2^1042456 is an apocalyptic number.

It is an amenable number.

1042456 is a deficient number, since it is larger than the sum of its proper divisors (912164).

1042456 is a wasteful number, since it uses less digits than its factorization.

1042456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130313 (or 130309 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1042456 is about 1021.0073457130. The cubic root of 1042456 is about 101.3956315137.

Adding to 1042456 its reverse (6542401), we get a palindrome (7584857).

Subtracting 1042456 from its reverse (6542401), we obtain a palindrome (5499945).

The spelling of 1042456 in words is "one million, forty-two thousand, four hundred fifty-six".