1225502503 has 8 divisors (see below), whose sum is σ = 1270267200. Its totient is φ = 1180904928.

The previous prime is 1225502471. The next prime is 1225502507. The reversal of 1225502503 is 3052055221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1225502503 - 2⁵ = 1225502471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225502507) 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, 26751 + ... + 56272.

It is an arithmetic number, because the mean of its divisors is an integer number (158783400).

Almost surely, 2^1225502503 is an apocalyptic number.

1225502503 is a deficient number, since it is larger than the sum of its proper divisors (44764697).

1225502503 is an equidigital number, since it uses as much as digits as its factorization.

1225502503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83561.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1225502503 is about 35007.1778782581. The cubic root of 1225502503 is about 1070.1337658486.

Adding to 1225502503 its reverse (3052055221), we get a palindrome (4277557724).

The spelling of 1225502503 in words is "one billion, two hundred twenty-five million, five hundred two thousand, five hundred three".