1198142 has 12 divisors (see below), whose sum is σ = 1975848. Its totient is φ = 544500.

The previous prime is 1198133. The next prime is 1198151. The reversal of 1198142 is 2418911.

It is an interprime number because it is at equal distance from previous prime (1198133) and next prime (1198151).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2234 + ... + 2717.

It is an arithmetic number, because the mean of its divisors is an integer number (164654).

2^1198142 is an apocalyptic number.

1198142 is a deficient number, since it is larger than the sum of its proper divisors (777706).

1198142 is a wasteful number, since it uses less digits than its factorization.

1198142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975 (or 4964 counting only the distinct ones).

The product of its digits is 576, while the sum is 26.

The square root of 1198142 is about 1094.5967293940. The cubic root of 1198142 is about 106.2109835983.

The spelling of 1198142 in words is "one million, one hundred ninety-eight thousand, one hundred forty-two".