1244945 has 16 divisors (see below), whose sum is σ = 1632960. Its totient is φ = 905664.

The previous prime is 1244923. The next prime is 1244953. The reversal of 1244945 is 5494421.

It is a cyclic number.

It is not a de Polignac number, because 1244945 - 2¹⁸ = 982801 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6866 + ... + 7044.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

2^1244945 is an apocalyptic number.

It is an amenable number.

1244945 is a deficient number, since it is larger than the sum of its proper divisors (388015).

1244945 is a wasteful number, since it uses less digits than its factorization.

1244945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304.

The product of its digits is 5760, while the sum is 29.

The square root of 1244945 is about 1115.7710338595. The cubic root of 1244945 is about 107.5763294209.

The spelling of 1244945 in words is "one million, two hundred forty-four thousand, nine hundred forty-five".