1289254 has 8 divisors (see below), whose sum is σ = 1955880. Its totient is φ = 637296.

The previous prime is 1289237. The next prime is 1289261. The reversal of 1289254 is 4529821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3444 + ... + 3799.

It is an arithmetic number, because the mean of its divisors is an integer number (244485).

2^1289254 is an apocalyptic number.

1289254 is a deficient number, since it is larger than the sum of its proper divisors (666626).

1289254 is an equidigital number, since it uses as much as digits as its factorization.

1289254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7334.

The product of its digits is 5760, while the sum is 31.

The square root of 1289254 is about 1135.4532134791. The cubic root of 1289254 is about 108.8377351627.

The spelling of 1289254 in words is "one million, two hundred eighty-nine thousand, two hundred fifty-four".