1122641436 has 48 divisors (see below), whose sum is σ = 3057417216. Its totient is φ = 313929024.

The previous prime is 1122641419. The next prime is 1122641441. The reversal of 1122641436 is 6341462211.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138231 + ... + 146126.

It is an arithmetic number, because the mean of its divisors is an integer number (63696192).

Almost surely, 2^1122641436 is an apocalyptic number.

It is an amenable number.

1122641436 is an abundant number, since it is smaller than the sum of its proper divisors (1934775780).

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

1122641436 is a wasteful number, since it uses less digits than its factorization.

1122641436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284418 (or 284416 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 1122641436 is about 33505.8418190022. The cubic root of 1122641436 is about 1039.3145865916.

The spelling of 1122641436 in words is "one billion, one hundred twenty-two million, six hundred forty-one thousand, four hundred thirty-six".