1154354120 has 64 divisors (see below), whose sum is σ = 2807956800. Its totient is φ = 425606400.

The previous prime is 1154354081. The next prime is 1154354141. The reversal of 1154354120 is 214534511.

It is a self number, because there is not a number n which added to its sum of digits gives 1154354120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7595 + ... + 48645.

It is an arithmetic number, because the mean of its divisors is an integer number (43874325).

Almost surely, 2^1154354120 is an apocalyptic number.

1154354120 is a gapful number since it is divisible by the number (10) 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 1154354120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403978400).

1154354120 is an abundant number, since it is smaller than the sum of its proper divisors (1653602680).

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

1154354120 is a wasteful number, since it uses less digits than its factorization.

1154354120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41118 (or 41114 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1154354120 is about 33975.7872609304. The cubic root of 1154354120 is about 1049.0101389331.

Adding to 1154354120 its reverse (214534511), we get a palindrome (1368888631).

The spelling of 1154354120 in words is "one billion, one hundred fifty-four million, three hundred fifty-four thousand, one hundred twenty".