1231122 has 8 divisors (see below), whose sum is σ = 2462256. Its totient is φ = 410372.

The previous prime is 1231099. The next prime is 1231127. The reversal of 1231122 is 2211321.

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

1231122 is an admirable number.

It is a super-2 number, since 2×1231122² = 3031322757768, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1231098 and 1231107.

It is not an unprimeable number, because it can be changed into a prime (1231127) 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, 102588 + ... + 102599.

It is an arithmetic number, because the mean of its divisors is an integer number (307782).

2^1231122 is an apocalyptic number.

1231122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1231122 is a wasteful number, since it uses less digits than its factorization.

1231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205192.

The product of its digits is 24, while the sum is 12.

The square root of 1231122 is about 1109.5593720031. The cubic root of 1231122 is about 107.1766958513.

Adding to 1231122 its reverse (2211321), we get a palindrome (3442443).

The spelling of 1231122 in words is "one million, two hundred thirty-one thousand, one hundred twenty-two".