1121042 has 8 divisors (see below), whose sum is σ = 1810956. Its totient is φ = 517392.

The previous prime is 1121033. The next prime is 1121047. The reversal of 1121042 is 2401211.

It can be written as a sum of positive squares in 2 ways, for example, as 1062961 + 58081 = 1031^2 + 241^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1121047) 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, 21533 + ... + 21584.

2^1121042 is an apocalyptic number.

1121042 is a deficient number, since it is larger than the sum of its proper divisors (689914).

1121042 is a wasteful number, since it uses less digits than its factorization.

1121042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43132.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1121042 is about 1058.7927087018. The cubic root of 1121042 is about 103.8820778811.

Adding to 1121042 its reverse (2401211), we get a palindrome (3522253).

The spelling of 1121042 in words is "one million, one hundred twenty-one thousand, forty-two".