1072142 has 8 divisors (see below), whose sum is σ = 1612632. Its totient is φ = 534600.

The previous prime is 1072133. The next prime is 1072147. The reversal of 1072142 is 2412701.

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

It is a super-2 number, since 2×1072142² = 2298976936328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1072142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072147) 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, 917 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (201579).

2^1072142 is an apocalyptic number.

1072142 is a deficient number, since it is larger than the sum of its proper divisors (540490).

1072142 is an equidigital number, since it uses as much as digits as its factorization.

1072142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1072142 is about 1035.4429004054. The cubic root of 1072142 is about 102.3491176856.

Adding to 1072142 its reverse (2412701), we get a palindrome (3484843).

The spelling of 1072142 in words is "one million, seventy-two thousand, one hundred forty-two".