1254865 has 8 divisors (see below), whose sum is σ = 1519848. Its totient is φ = 994560.

The previous prime is 1254863. The next prime is 1254899. The reversal of 1254865 is 5684521.

It can be written as a sum of positive squares in 4 ways, for example, as 9409 + 1245456 = 97^2 + 1116^2 .

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

It is not a de Polignac number, because 1254865 - 2¹ = 1254863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254863) 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, 546 + ... + 1675.

It is an arithmetic number, because the mean of its divisors is an integer number (189981).

2^1254865 is an apocalyptic number.

It is an amenable number.

1254865 is a deficient number, since it is larger than the sum of its proper divisors (264983).

1254865 is a wasteful number, since it uses less digits than its factorization.

1254865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339.

The product of its digits is 9600, while the sum is 31.

The square root of 1254865 is about 1120.2075700512. The cubic root of 1254865 is about 107.8613045859.

The spelling of 1254865 in words is "one million, two hundred fifty-four thousand, eight hundred sixty-five".