1104789420 has 72 divisors (see below), whose sum is σ = 3829941024. Its totient is φ = 252523008.

The previous prime is 1104789407. The next prime is 1104789437. The reversal of 1104789420 is 249874011.

1104789420 is a `hidden beast` number, since 110 + 47 + 89 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437149 + ... + 439668.

Almost surely, 2^1104789420 is an apocalyptic number.

1104789420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1104789420 is an abundant number, since it is smaller than the sum of its proper divisors (2725151604).

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

1104789420 is a wasteful number, since it uses less digits than its factorization.

1104789420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876839 (or 876834 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1104789420 is about 33238.3727038494. The cubic root of 1104789420 is about 1033.7761351175.

The spelling of 1104789420 in words is "one billion, one hundred four million, seven hundred eighty-nine thousand, four hundred twenty".