1197142 has 4 divisors (see below), whose sum is σ = 1795716. Its totient is φ = 598570.

The previous prime is 1197121. The next prime is 1197167. The reversal of 1197142 is 2417911.

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

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299284 + ... + 299287.

It is an arithmetic number, because the mean of its divisors is an integer number (448929).

2^1197142 is an apocalyptic number.

1197142 is a deficient number, since it is larger than the sum of its proper divisors (598574).

1197142 is an equidigital number, since it uses as much as digits as its factorization.

1197142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598573.

The product of its digits is 504, while the sum is 25.

The square root of 1197142 is about 1094.1398448096. The cubic root of 1197142 is about 106.1814265714.

It can be divided in two parts, 119714 and 2, that added together give a square (119716 = 346²).

The spelling of 1197142 in words is "one million, one hundred ninety-seven thousand, one hundred forty-two".