711142 has 4 divisors (see below), whose sum is σ = 1066716. Its totient is φ = 355570.

The previous prime is 711133. The next prime is 711143. The reversal of 711142 is 241117.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711143) by changing a digit.

711142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177784 + ... + 177787.

It is an arithmetic number, because the mean of its divisors is an integer number (266679).

2⁷¹¹¹⁴² is an apocalyptic number.

711142 is a deficient number, since it is larger than the sum of its proper divisors (355574).

711142 is a wasteful number, since it uses less digits than its factorization.

711142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355573.

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

The square root of 711142 is about 843.2923573708. The cubic root of 711142 is about 89.2590190364.

Adding to 711142 its reverse (241117), we get a palindrome (952259).

The spelling of 711142 in words is "seven hundred eleven thousand, one hundred forty-two", and thus it is an iban number.