1245006 has 48 divisors (see below), whose sum is σ = 3171168. Its totient is φ = 345600.

The previous prime is 1245001. The next prime is 1245017. The reversal of 1245006 is 6005421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1245006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5046 + ... + 5286.

It is an arithmetic number, because the mean of its divisors is an integer number (66066).

2^1245006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585584).

1245006 is an abundant number, since it is smaller than the sum of its proper divisors (1926162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245006 is a wasteful number, since it uses less digits than its factorization.

1245006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1245006 is about 1115.7983688821. The cubic root of 1245006 is about 107.5780864059.

The spelling of 1245006 in words is "one million, two hundred forty-five thousand, six".