1254489 has 8 divisors (see below), whose sum is σ = 1745472. Its totient is φ = 799920.

The previous prime is 1254479. The next prime is 1254497. The reversal of 1254489 is 9844521.

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

It is not a de Polignac number, because 1254489 - 2²⁰ = 205913 is a prime.

It is a super-2 number, since 2×1254489² = 3147485302242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1254469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9022 + ... + 9159.

It is an arithmetic number, because the mean of its divisors is an integer number (218184).

2^1254489 is an apocalyptic number.

It is an amenable number.

1254489 is a deficient number, since it is larger than the sum of its proper divisors (490983).

1254489 is a wasteful number, since it uses less digits than its factorization.

1254489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18207.

The product of its digits is 11520, while the sum is 33.

The square root of 1254489 is about 1120.0397314381. The cubic root of 1254489 is about 107.8505305446.

The spelling of 1254489 in words is "one million, two hundred fifty-four thousand, four hundred eighty-nine".