1122141 has 4 divisors (see below), whose sum is σ = 1496192. Its totient is φ = 748092.

The previous prime is 1122139. The next prime is 1122157. The reversal of 1122141 is 1412211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1122141 - 2¹ = 1122139 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

1122141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122131) 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, 187021 + ... + 187026.

It is an arithmetic number, because the mean of its divisors is an integer number (374048).

2^1122141 is an apocalyptic number.

It is an amenable number.

1122141 is a deficient number, since it is larger than the sum of its proper divisors (374051).

1122141 is an equidigital number, since it uses as much as digits as its factorization.

1122141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374050.

The product of its digits is 16, while the sum is 12.

The square root of 1122141 is about 1059.3115688975. The cubic root of 1122141 is about 103.9160133080.

Adding to 1122141 its reverse (1412211), we get a palindrome (2534352).

The spelling of 1122141 in words is "one million, one hundred twenty-two thousand, one hundred forty-one".