1110421420 has 12 divisors (see below), whose sum is σ = 2331885024. Its totient is φ = 444168560.

The previous prime is 1110421357. The next prime is 1110421421. The reversal of 1110421420 is 241240111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1110421394 and 1110421403.

It is not an unprimeable number, because it can be changed into a prime (1110421421) 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 3 ways as a sum of consecutive naturals, for example, 27760516 + ... + 27760555.

It is an arithmetic number, because the mean of its divisors is an integer number (194323752).

Almost surely, 2^1110421420 is an apocalyptic number.

1110421420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110421420 is an abundant number, since it is smaller than the sum of its proper divisors (1221463604).

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

1110421420 is a wasteful number, since it uses less digits than its factorization.

1110421420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55521080 (or 55521078 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1110421420 is about 33322.9863607690. The cubic root of 1110421420 is about 1035.5298212312.

Adding to 1110421420 its reverse (241240111), we get a palindrome (1351661531).

The spelling of 1110421420 in words is "one billion, one hundred ten million, four hundred twenty-one thousand, four hundred twenty".