1254745 has 4 divisors (see below), whose sum is σ = 1505700. Its totient is φ = 1003792.

The previous prime is 1254739. The next prime is 1254751. The reversal of 1254745 is 5474521.

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

It is an interprime number because it is at equal distance from previous prime (1254739) and next prime (1254751).

It can be written as a sum of positive squares in 2 ways, for example, as 363609 + 891136 = 603^2 + 944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254745 is a prime.

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

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, 125470 + ... + 125479.

It is an arithmetic number, because the mean of its divisors is an integer number (376425).

2^1254745 is an apocalyptic number.

It is an amenable number.

1254745 is a deficient number, since it is larger than the sum of its proper divisors (250955).

1254745 is an equidigital number, since it uses as much as digits as its factorization.

1254745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250954.

The product of its digits is 5600, while the sum is 28.

The square root of 1254745 is about 1120.1540072686. The cubic root of 1254745 is about 107.8578662959.

The spelling of 1254745 in words is "one million, two hundred fifty-four thousand, seven hundred forty-five".