1243607 has 16 divisors (see below), whose sum is σ = 1413600. Its totient is φ = 1088640.

The previous prime is 1243579. The next prime is 1243609. The reversal of 1243607 is 7063421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1243607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20357 + ... + 20417.

It is an arithmetic number, because the mean of its divisors is an integer number (88350).

2^1243607 is an apocalyptic number.

1243607 is a deficient number, since it is larger than the sum of its proper divisors (169993).

1243607 is a wasteful number, since it uses less digits than its factorization.

1243607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1243607 is about 1115.1712872918. The cubic root of 1243607 is about 107.5377765197.

The spelling of 1243607 in words is "one million, two hundred forty-three thousand, six hundred seven".