1123421376 has 112 divisors (see below), whose sum is σ = 3705880320. Its totient is φ = 291793920.

The previous prime is 1123421347. The next prime is 1123421381. The reversal of 1123421376 is 6731243211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23211 + ... + 52778.

Almost surely, 2^1123421376 is an apocalyptic number.

1123421376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1123421376 is an abundant number, since it is smaller than the sum of its proper divisors (2582458944).

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

1123421376 is a wasteful number, since it uses less digits than its factorization.

1123421376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76022 (or 76012 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 1123421376 is about 33517.4786641239. The cubic root of 1123421376 is about 1039.5552141409. Note that the first 3 decimals are identical.

Adding to 1123421376 its reverse (6731243211), we get a palindrome (7854664587).

The spelling of 1123421376 in words is "one billion, one hundred twenty-three million, four hundred twenty-one thousand, three hundred seventy-six".