1122401456 has 40 divisors (see below), whose sum is σ = 2374736400. Its totient is φ = 509669120.

The previous prime is 1122401443. The next prime is 1122401461. The reversal of 1122401456 is 6541042211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213710 + ... + 218898.

It is an arithmetic number, because the mean of its divisors is an integer number (59368410).

Almost surely, 2^1122401456 is an apocalyptic number.

1122401456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1122401456 is an abundant number, since it is smaller than the sum of its proper divisors (1252334944).

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

1122401456 is a wasteful number, since it uses less digits than its factorization.

1122401456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6437 (or 6431 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1122401456 is about 33502.2604610495. The cubic root of 1122401456 is about 1039.2405253997.

Adding to 1122401456 its reverse (6541042211), we get a palindrome (7663443667).

The spelling of 1122401456 in words is "one billion, one hundred twenty-two million, four hundred one thousand, four hundred fifty-six".