1089254 has 4 divisors (see below), whose sum is σ = 1633884. Its totient is φ = 544626.

The previous prime is 1089239. The next prime is 1089259. The reversal of 1089254 is 4529801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4529801 = 709 ⋅6389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089259) 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 as a sum of consecutive naturals, namely, 272312 + ... + 272315.

It is an arithmetic number, because the mean of its divisors is an integer number (408471).

2^1089254 is an apocalyptic number.

1089254 is a deficient number, since it is larger than the sum of its proper divisors (544630).

1089254 is an equidigital number, since it uses as much as digits as its factorization.

1089254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544629.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1089254 is about 1043.6733205367. The cubic root of 1089254 is about 102.8907630029.

The spelling of 1089254 in words is "one million, eighty-nine thousand, two hundred fifty-four".