1122342400 has 60 divisors (see below), whose sum is σ = 2780722692. Its totient is φ = 448931840.

The previous prime is 1122342343. The next prime is 1122342409. The reversal of 1122342400 is 42432211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122342409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31042 + ... + 56641.

Almost surely, 2^1122342400 is an apocalyptic number.

1122342400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122342400 is an abundant number, since it is smaller than the sum of its proper divisors (1658380292).

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

1122342400 is an frugal number, since it uses more digits than its factorization.

1122342400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87711 (or 87690 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1122342400 is about 33501.3790760918. The cubic root of 1122342400 is about 1039.2222982717. Note that the first 4 decimals are identical.

Adding to 1122342400 its reverse (42432211), we get a palindrome (1164774611).

The spelling of 1122342400 in words is "one billion, one hundred twenty-two million, three hundred forty-two thousand, four hundred".