1043742 has 16 divisors (see below), whose sum is σ = 2385792. Its totient is φ = 298200.

The previous prime is 1043723. The next prime is 1043743. The reversal of 1043742 is 2473401.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12384 + ... + 12467.

It is an arithmetic number, because the mean of its divisors is an integer number (149112).

2^1043742 is an apocalyptic number.

1043742 is an abundant number, since it is smaller than the sum of its proper divisors (1342050).

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

1043742 is a wasteful number, since it uses less digits than its factorization.

1043742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24863.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1043742 is about 1021.6369218074. The cubic root of 1043742 is about 101.4373091159.

The spelling of 1043742 in words is "one million, forty-three thousand, seven hundred forty-two".