1078742 has 16 divisors (see below), whose sum is σ = 1913760. Its totient is φ = 446208.

The previous prime is 1078739. The next prime is 1078757. The reversal of 1078742 is 2478701.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923 + ... + 1734.

It is an arithmetic number, because the mean of its divisors is an integer number (119610).

2^1078742 is an apocalyptic number.

1078742 is a deficient number, since it is larger than the sum of its proper divisors (835018).

1078742 is a wasteful number, since it uses less digits than its factorization.

1078742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 1078742 is about 1038.6250526537. The cubic root of 1078742 is about 102.5587052170.

The spelling of 1078742 in words is "one million, seventy-eight thousand, seven hundred forty-two".