1073142 has 64 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 286848.

The previous prime is 1073141. The next prime is 1073143. The reversal of 1073142 is 2413701.

It is an interprime number because it is at equal distance from previous prime (1073141) and next prime (1073143).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6343 + ... + 6509.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2^1073142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1073142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451520).

1073142 is an abundant number, since it is smaller than the sum of its proper divisors (1829898).

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

1073142 is a wasteful number, since it uses less digits than its factorization.

1073142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1073142 is about 1035.9256730094. The cubic root of 1073142 is about 102.3809285568.

Adding to 1073142 its reverse (2413701), we get a palindrome (3486843).

It can be divided in two parts, 107 and 3142, that added together give a square (3249 = 57²).

The spelling of 1073142 in words is "one million, seventy-three thousand, one hundred forty-two".