1254985 has 8 divisors (see below), whose sum is σ = 1512000. Its totient is φ = 999984.

The previous prime is 1254983. The next prime is 1254997. The reversal of 1254985 is 5894521.

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

It is a cyclic number.

It is not a de Polignac number, because 1254985 - 2¹ = 1254983 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1254985.

It is not an unprimeable number, because it can be changed into a prime (1254983) 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, 2244 + ... + 2746.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

2^1254985 is an apocalyptic number.

It is an amenable number.

1254985 is a deficient number, since it is larger than the sum of its proper divisors (257015).

1254985 is an equidigital number, since it uses as much as digits as its factorization.

1254985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its digits is 14400, while the sum is 34.

The square root of 1254985 is about 1120.2611302728. The cubic root of 1254985 is about 107.8647426566.

The spelling of 1254985 in words is "one million, two hundred fifty-four thousand, nine hundred eighty-five".