1100830621 has 4 divisors (see below), whose sum is σ = 1200906144. Its totient is φ = 1000755100.

The previous prime is 1100830559. The next prime is 1100830637. The reversal of 1100830621 is 1260380011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1100830621 - 2²⁹ = 563959709 is a prime.

It is a super-2 number, since 2×1100830621² = 2423656112262491282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100830592 and 1100830601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100830651) 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, 50037745 + ... + 50037766.

It is an arithmetic number, because the mean of its divisors is an integer number (300226536).

Almost surely, 2^1100830621 is an apocalyptic number.

1100830621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100830621 is a deficient number, since it is larger than the sum of its proper divisors (100075523).

1100830621 is a wasteful number, since it uses less digits than its factorization.

1100830621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100075522.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1100830621 is about 33178.7676232858. The cubic root of 1100830621 is about 1032.5398784301.

The spelling of 1100830621 in words is "one billion, one hundred million, eight hundred thirty thousand, six hundred twenty-one".