1042554 has 16 divisors (see below), whose sum is σ = 2130048. Its totient is φ = 340032.

The previous prime is 1042529. The next prime is 1042571. The reversal of 1042554 is 4552401.

It is a self number, because there is not a number n which added to its sum of digits gives 1042554.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1567 + ... + 2130.

It is an arithmetic number, because the mean of its divisors is an integer number (133128).

2^1042554 is an apocalyptic number.

1042554 is an abundant number, since it is smaller than the sum of its proper divisors (1087494).

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

1042554 is a wasteful number, since it uses less digits than its factorization.

1042554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1042554 is about 1021.0553364044. The cubic root of 1042554 is about 101.3988087734.

Adding to 1042554 its reverse (4552401), we get a palindrome (5594955).

It can be divided in two parts, 1042 and 554, that added together give a triangular number (1596 = T₅₆).

The spelling of 1042554 in words is "one million, forty-two thousand, five hundred fifty-four".