1254089 has 4 divisors (see below), whose sum is σ = 1256580. Its totient is φ = 1251600.

The previous prime is 1254079. The next prime is 1254091. The reversal of 1254089 is 9804521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1138489 + 115600 = 1067^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254089 - 2¹⁶ = 1188553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194 + ... + 1595.

It is an arithmetic number, because the mean of its divisors is an integer number (314145).

2^1254089 is an apocalyptic number.

It is an amenable number.

1254089 is a deficient number, since it is larger than the sum of its proper divisors (2491).

1254089 is an equidigital number, since it uses as much as digits as its factorization.

1254089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490.

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

The square root of 1254089 is about 1119.8611521077. The cubic root of 1254089 is about 107.8390664350.

The spelling of 1254089 in words is "one million, two hundred fifty-four thousand, eighty-nine".