1245668 has 12 divisors (see below), whose sum is σ = 2190720. Its totient is φ = 619752.

The previous prime is 1245649. The next prime is 1245683. The reversal of 1245668 is 8665421.

It is a plaindrome in base 10.

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, 305 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (182560).

2^1245668 is an apocalyptic number.

It is an amenable number.

1245668 is a deficient number, since it is larger than the sum of its proper divisors (945052).

1245668 is a wasteful number, since it uses less digits than its factorization.

1245668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546 (or 1544 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 1245668 is about 1116.0949780373. The cubic root of 1245668 is about 107.5971503232.

The spelling of 1245668 in words is "one million, two hundred forty-five thousand, six hundred sixty-eight".