1100153421 has 20 divisors (see below), whose sum is σ = 1649405692. Its totient is φ = 730772928.

The previous prime is 1100153407. The next prime is 1100153441. The reversal of 1100153421 is 1243510011.

1100153421 is a `hidden beast` number, since 110 + 0 + 1 + 534 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 201952521 + 898200900 = 14211^2 + 29970^2 .

It is not a de Polignac number, because 1100153421 - 2⁷ = 1100153293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100153394 and 1100153403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100153441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2080 + ... + 46953.

Almost surely, 2^1100153421 is an apocalyptic number.

It is an amenable number.

1100153421 is a deficient number, since it is larger than the sum of its proper divisors (549252271).

1100153421 is an equidigital number, since it uses as much as digits as its factorization.

1100153421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49322 (or 49313 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1100153421 is about 33168.5607315120. The cubic root of 1100153421 is about 1032.3281051792.

Adding to 1100153421 its reverse (1243510011), we get a palindrome (2343663432).

The spelling of 1100153421 in words is "one billion, one hundred million, one hundred fifty-three thousand, four hundred twenty-one".