1017142 has 24 divisors (see below), whose sum is σ = 1809864. Its totient is φ = 427392.

The previous prime is 1017139. The next prime is 1017157. The reversal of 1017142 is 2417101.

1017142 is nontrivially palindromic in base 3.

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 11 ways as a sum of consecutive naturals, for example, 9453 + ... + 9559.

It is an arithmetic number, because the mean of its divisors is an integer number (75411).

2^1017142 is an apocalyptic number.

1017142 is a deficient number, since it is larger than the sum of its proper divisors (792722).

1017142 is a wasteful number, since it uses less digits than its factorization.

1017142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1017142 is about 1008.5345804681. The cubic root of 1017142 is about 100.5681657630.

The spelling of 1017142 in words is "one million, seventeen thousand, one hundred forty-two".