1154255 has 8 divisors (see below), whose sum is σ = 1445472. Its totient is φ = 883168.

The previous prime is 1154243. The next prime is 1154267. The reversal of 1154255 is 5524511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1154243) and next prime (1154267).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1154255 - 2⁴ = 1154239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1154255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4904 + ... + 5133.

It is an arithmetic number, because the mean of its divisors is an integer number (180684).

2^1154255 is an apocalyptic number.

1154255 is a deficient number, since it is larger than the sum of its proper divisors (291217).

1154255 is a wasteful number, since it uses less digits than its factorization.

1154255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065.

The product of its digits is 1000, while the sum is 23.

The square root of 1154255 is about 1074.3626017318. The cubic root of 1154255 is about 104.8980113236.

Adding to 1154255 its reverse (5524511), we get a palindrome (6678766).

The spelling of 1154255 in words is "one million, one hundred fifty-four thousand, two hundred fifty-five".