1251106 has 8 divisors (see below), whose sum is σ = 1896300. Its totient is φ = 619008.

The previous prime is 1251101. The next prime is 1251109. The reversal of 1251106 is 6011521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1155625 + 95481 = 1075^2 + 309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1251106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1251101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3031 + ... + 3418.

2^1251106 is an apocalyptic number.

1251106 is a deficient number, since it is larger than the sum of its proper divisors (645194).

1251106 is an equidigital number, since it uses as much as digits as its factorization.

1251106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6548.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1251106 is about 1118.5284976253. The cubic root of 1251106 is about 107.7534958662.

Adding to 1251106 its reverse (6011521), we get a palindrome (7262627).

The spelling of 1251106 in words is "one million, two hundred fifty-one thousand, one hundred six".