1055542 has 8 divisors (see below), whose sum is σ = 1638000. Its totient is φ = 509544.

The previous prime is 1055531. The next prime is 1055543. The reversal of 1055542 is 2455501.

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

It is a super-2 number, since 2×1055542² = 2228337827528, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055543) 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, 9042 + ... + 9157.

It is an arithmetic number, because the mean of its divisors is an integer number (204750).

2^1055542 is an apocalyptic number.

1055542 is a deficient number, since it is larger than the sum of its proper divisors (582458).

1055542 is a wasteful number, since it uses less digits than its factorization.

1055542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18230.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1055542 is about 1027.3957368025. The cubic root of 1055542 is about 101.8181432147.

The spelling of 1055542 in words is "one million, fifty-five thousand, five hundred forty-two".