1154027088 has 150 divisors (see below), whose sum is σ = 3415037934. Its totient is φ = 376227072.

The previous prime is 1154027081. The next prime is 1154027089. The reversal of 1154027088 is 8807204511.

1154027088 is a `hidden beast` number, since 11 + 540 + 27 + 0 + 88 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 134374464 + 1019652624 = 11592^2 + 31932^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154027081) 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 29 ways as a sum of consecutive naturals, for example, 3640306 + ... + 3640622.

Almost surely, 2^1154027088 is an apocalyptic number.

1154027088 is a gapful number since it is divisible by the number (18) 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 1154027088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1707518967).

1154027088 is an abundant number, since it is smaller than the sum of its proper divisors (2261010846).

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

1154027088 is an equidigital number, since it uses as much as digits as its factorization.

1154027088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1154027088 is about 33970.9741985713. The cubic root of 1154027088 is about 1048.9110669992.

The spelling of 1154027088 in words is "one billion, one hundred fifty-four million, twenty-seven thousand, eighty-eight".