1066542 has 16 divisors (see below), whose sum is σ = 2149200. Its totient is φ = 352832.

The previous prime is 1066531. The next prime is 1066553. The reversal of 1066542 is 2456601.

It is an interprime number because it is at equal distance from previous prime (1066531) and next prime (1066553).

It is a super-2 number, since 2×1066542² = 2275023675528, which contains 22 as substring.

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, 298 + ... + 1490.

It is an arithmetic number, because the mean of its divisors is an integer number (134325).

2^1066542 is an apocalyptic number.

1066542 is an abundant number, since it is smaller than the sum of its proper divisors (1082658).

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

1066542 is a wasteful number, since it uses less digits than its factorization.

1066542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1066542 is about 1032.7352032346. The cubic root of 1066542 is about 102.1706102789.

The spelling of 1066542 in words is "one million, sixty-six thousand, five hundred forty-two".