1056542 has 8 divisors (see below), whose sum is σ = 1636032. Its totient is φ = 511200.

The previous prime is 1056541. The next prime is 1056563. The reversal of 1056542 is 2456501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1056542² = 2232561995528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8459 + ... + 8582.

It is an arithmetic number, because the mean of its divisors is an integer number (204504).

2^1056542 is an apocalyptic number.

1056542 is a deficient number, since it is larger than the sum of its proper divisors (579490).

1056542 is a wasteful number, since it uses less digits than its factorization.

1056542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17074.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1056542 is about 1027.8822889806. The cubic root of 1056542 is about 101.8502865769.

The spelling of 1056542 in words is "one million, fifty-six thousand, five hundred forty-two".