1199142 has 48 divisors (see below), whose sum is σ = 3075072. Its totient is φ = 330480.

The previous prime is 1199137. The next prime is 1199167. The reversal of 1199142 is 2419911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3753 + ... + 4059.

It is an arithmetic number, because the mean of its divisors is an integer number (64064).

2^1199142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1199142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1537536).

1199142 is an abundant number, since it is smaller than the sum of its proper divisors (1875930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1199142 is a wasteful number, since it uses less digits than its factorization.

1199142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 350 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 1199142 is about 1095.0534233543. The cubic root of 1199142 is about 106.2405241838.

It can be divided in two parts, 119 and 9142, that added together give a cube (9261 = 21³).

The spelling of 1199142 in words is "one million, one hundred ninety-nine thousand, one hundred forty-two".