1245166 has 16 divisors (see below), whose sum is σ = 2039184. Its totient is φ = 566784.

The previous prime is 1245149. The next prime is 1245169. The reversal of 1245166 is 6615421.

It is a self number, because there is not a number n which added to its sum of digits gives 1245166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870 + ... + 2446.

It is an arithmetic number, because the mean of its divisors is an integer number (127449).

2^1245166 is an apocalyptic number.

1245166 is a deficient number, since it is larger than the sum of its proper divisors (794018).

1245166 is a wasteful number, since it uses less digits than its factorization.

1245166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675.

The product of its digits is 1440, while the sum is 25.

The square root of 1245166 is about 1115.8700641204. The cubic root of 1245166 is about 107.5826946184.

The spelling of 1245166 in words is "one million, two hundred forty-five thousand, one hundred sixty-six".