1122401123 has 6 divisors (see below), whose sum is σ = 1162440084. Its totient is φ = 1083696824.

The previous prime is 1122401069. The next prime is 1122401141. The reversal of 1122401123 is 3211042211.

It is not a de Polignac number, because 1122401123 - 2¹⁰ = 1122400099 is a prime.

It is a super-4 number, since 4×1122401123⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122401153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 666461 + ... + 668142.

It is an arithmetic number, because the mean of its divisors is an integer number (193740014).

Almost surely, 2^1122401123 is an apocalyptic number.

1122401123 is a deficient number, since it is larger than the sum of its proper divisors (40038961).

1122401123 is an equidigital number, since it uses as much as digits as its factorization.

1122401123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334661 (or 1334632 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1122401123 is about 33502.2554912352. The cubic root of 1122401123 is about 1039.2404226239.

Adding to 1122401123 its reverse (3211042211), we get a palindrome (4333443334).

The spelling of 1122401123 in words is "one billion, one hundred twenty-two million, four hundred one thousand, one hundred twenty-three".