1100420056 has 8 divisors (see below), whose sum is σ = 2063287620. Its totient is φ = 550210024.

The previous prime is 1100420021. The next prime is 1100420063. The reversal of 1100420056 is 6500240011.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68776246 + ... + 68776261.

Almost surely, 2^1100420056 is an apocalyptic number.

It is an amenable number.

1100420056 is a deficient number, since it is larger than the sum of its proper divisors (962867564).

1100420056 is a wasteful number, since it uses less digits than its factorization.

1100420056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137552513 (or 137552509 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1100420056 is about 33172.5798815829. The cubic root of 1100420056 is about 1032.4114973573.

Adding to 1100420056 its reverse (6500240011), we get a palindrome (7600660067).

The spelling of 1100420056 in words is "one billion, one hundred million, four hundred twenty thousand, fifty-six".