1129942 has 8 divisors (see below), whose sum is σ = 1849032. Its totient is φ = 513600.

The previous prime is 1129897. The next prime is 1129951. The reversal of 1129942 is 2499211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1129942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25659 + ... + 25702.

It is an arithmetic number, because the mean of its divisors is an integer number (231129).

2^1129942 is an apocalyptic number.

1129942 is a deficient number, since it is larger than the sum of its proper divisors (719090).

1129942 is a wasteful number, since it uses less digits than its factorization.

1129942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51374.

The product of its digits is 1296, while the sum is 28.

The square root of 1129942 is about 1062.9873000182. The cubic root of 1129942 is about 104.1562616451.

The spelling of 1129942 in words is "one million, one hundred twenty-nine thousand, nine hundred forty-two".