1121942 has 8 divisors (see below), whose sum is σ = 1706832. Its totient is φ = 553000.

The previous prime is 1121941. The next prime is 1121947. The reversal of 1121942 is 2491211.

1121942 is nontrivially palindromic in base 3 and base 9.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3809 + ... + 4092.

It is an arithmetic number, because the mean of its divisors is an integer number (213354).

2^1121942 is an apocalyptic number.

1121942 is a deficient number, since it is larger than the sum of its proper divisors (584890).

1121942 is an equidigital number, since it uses as much as digits as its factorization.

1121942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7974.

The product of its digits is 144, while the sum is 20.

The square root of 1121942 is about 1059.2176358048. The cubic root of 1121942 is about 103.9098701379.

The spelling of 1121942 in words is "one million, one hundred twenty-one thousand, nine hundred forty-two".