1162142 has 4 divisors (see below), whose sum is σ = 1743216. Its totient is φ = 581070.

The previous prime is 1162129. The next prime is 1162193. The reversal of 1162142 is 2412611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2412611 = 61 ⋅39551.

It is a self number, because there is not a number n which added to its sum of digits gives 1162142.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 290534 + ... + 290537.

It is an arithmetic number, because the mean of its divisors is an integer number (435804).

2^1162142 is an apocalyptic number.

1162142 is a deficient number, since it is larger than the sum of its proper divisors (581074).

1162142 is an equidigital number, since it uses as much as digits as its factorization.

1162142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581073.

The product of its digits is 96, while the sum is 17.

The square root of 1162142 is about 1078.0269013341. The cubic root of 1162142 is about 105.1363911613.

Adding to 1162142 its reverse (2412611), we get a palindrome (3574753).

The spelling of 1162142 in words is "one million, one hundred sixty-two thousand, one hundred forty-two".