1078542 has 16 divisors (see below), whose sum is σ = 2396880. Its totient is φ = 359496.

The previous prime is 1078537. The next prime is 1078559. The reversal of 1078542 is 2458701.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9933 + ... + 10040.

It is an arithmetic number, because the mean of its divisors is an integer number (149805).

2^1078542 is an apocalyptic number.

1078542 is an abundant number, since it is smaller than the sum of its proper divisors (1318338).

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

1078542 is a wasteful number, since it uses less digits than its factorization.

1078542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19984 (or 19978 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1078542 is about 1038.5287670546. The cubic root of 1078542 is about 102.5523666582.

It can be divided in two parts, 107 and 8542, that added together give a square (8649 = 93²).

The spelling of 1078542 in words is "one million, seventy-eight thousand, five hundred forty-two".