1155254 has 4 divisors (see below), whose sum is σ = 1732884. Its totient is φ = 577626.

The previous prime is 1155247. The next prime is 1155263. The reversal of 1155254 is 4525511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1155254² = 2669223609032, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288812 + ... + 288815.

It is an arithmetic number, because the mean of its divisors is an integer number (433221).

2^1155254 is an apocalyptic number.

1155254 is a deficient number, since it is larger than the sum of its proper divisors (577630).

1155254 is an equidigital number, since it uses as much as digits as its factorization.

1155254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577629.

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

The square root of 1155254 is about 1074.8274280088. The cubic root of 1155254 is about 104.9282654400.

The spelling of 1155254 in words is "one million, one hundred fifty-five thousand, two hundred fifty-four".