1252603 has 8 divisors (see below), whose sum is σ = 1426176. Its totient is φ = 1089000.

The previous prime is 1252579. The next prime is 1252609. The reversal of 1252603 is 3062521.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1252603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252609) 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 7 ways as a sum of consecutive naturals, for example, 2223 + ... + 2728.

It is an arithmetic number, because the mean of its divisors is an integer number (178272).

2^1252603 is an apocalyptic number.

1252603 is a deficient number, since it is larger than the sum of its proper divisors (173573).

1252603 is a wasteful number, since it uses less digits than its factorization.

1252603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1252603 is about 1119.1974803403. The cubic root of 1252603 is about 107.7964559056.

The spelling of 1252603 in words is "one million, two hundred fifty-two thousand, six hundred three".