1122056430 has 128 divisors (see below), whose sum is σ = 3037741056. Its totient is φ = 262886400.

The previous prime is 1122056393. The next prime is 1122056443. The reversal of 1122056430 is 346502211.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122056430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1717984 + ... + 1718636.

It is an arithmetic number, because the mean of its divisors is an integer number (23732352).

Almost surely, 2^1122056430 is an apocalyptic number.

1122056430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122056430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518870528).

1122056430 is an abundant number, since it is smaller than the sum of its proper divisors (1915684626).

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

1122056430 is a wasteful number, since it uses less digits than its factorization.

1122056430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1122056430 is about 33497.1107709307. The cubic root of 1122056430 is about 1039.1340270380.

Adding to 1122056430 its reverse (346502211), we get a palindrome (1468558641).

The spelling of 1122056430 in words is "one billion, one hundred twenty-two million, fifty-six thousand, four hundred thirty".