1154320104 has 64 divisors (see below), whose sum is σ = 3319971840. Its totient is φ = 327614400.

The previous prime is 1154320103. The next prime is 1154320133. The reversal of 1154320104 is 4010234511.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1154320103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2617 + ... + 48119.

It is an arithmetic number, because the mean of its divisors is an integer number (51874560).

Almost surely, 2^1154320104 is an apocalyptic number.

1154320104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1154320104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1659985920).

1154320104 is an abundant number, since it is smaller than the sum of its proper divisors (2165651736).

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

1154320104 is a wasteful number, since it uses less digits than its factorization.

1154320104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45670 (or 45666 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1154320104 is about 33975.2866654573. The cubic root of 1154320104 is about 1048.9998349086. Note that the first 3 decimals are identical.

Adding to 1154320104 its reverse (4010234511), we get a palindrome (5164554615).

The spelling of 1154320104 in words is "one billion, one hundred fifty-four million, three hundred twenty thousand, one hundred four".