1100421830 has 8 divisors (see below), whose sum is σ = 1980759312. Its totient is φ = 440168728.

The previous prime is 1100421827. The next prime is 1100421863. The reversal of 1100421830 is 381240011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55021082 + ... + 55021101.

It is an arithmetic number, because the mean of its divisors is an integer number (247594914).

Almost surely, 2^1100421830 is an apocalyptic number.

1100421830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100421830 is a deficient number, since it is larger than the sum of its proper divisors (880337482).

1100421830 is a wasteful number, since it uses less digits than its factorization.

1100421830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110042190.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1100421830 is about 33172.6066205235. The cubic root of 1100421830 is about 1032.4120521445.

Adding to 1100421830 its reverse (381240011), we get a palindrome (1481661841).

The spelling of 1100421830 in words is "one billion, one hundred million, four hundred twenty-one thousand, eight hundred thirty".