1122561326 has 4 divisors (see below), whose sum is σ = 1683841992. Its totient is φ = 561280662.

The previous prime is 1122561283. The next prime is 1122561329. The reversal of 1122561326 is 6231652211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6231652211 = 29 ⋅214884559.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122561329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280640330 + ... + 280640333.

It is an arithmetic number, because the mean of its divisors is an integer number (420960498).

Almost surely, 2^1122561326 is an apocalyptic number.

1122561326 is a deficient number, since it is larger than the sum of its proper divisors (561280666).

1122561326 is an equidigital number, since it uses as much as digits as its factorization.

1122561326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561280665.

The product of its digits is 4320, while the sum is 29.

The square root of 1122561326 is about 33504.6463345011. The cubic root of 1122561326 is about 1039.2898646963.

The spelling of 1122561326 in words is "one billion, one hundred twenty-two million, five hundred sixty-one thousand, three hundred twenty-six".