1251063 has 12 divisors (see below), whose sum is σ = 1971528. Its totient is φ = 758160.

The previous prime is 1251053. The next prime is 1251071. The reversal of 1251063 is 3601521.

It is not a de Polignac number, because 1251063 - 2⁹ = 1250551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1251043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6220 + ... + 6417.

It is an arithmetic number, because the mean of its divisors is an integer number (164294).

2^1251063 is an apocalyptic number.

1251063 is a deficient number, since it is larger than the sum of its proper divisors (720465).

1251063 is a wasteful number, since it uses less digits than its factorization.

1251063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12654 (or 12651 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1251063 is about 1118.5092757774. The cubic root of 1251063 is about 107.7522613709.

Adding to 1251063 its reverse (3601521), we get a palindrome (4852584).

The spelling of 1251063 in words is "one million, two hundred fifty-one thousand, sixty-three".