1225132003 has 4 divisors (see below), whose sum is σ = 1227755880. Its totient is φ = 1222508128.

The previous prime is 1225132001. The next prime is 1225132039. The reversal of 1225132003 is 3002315221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1225132003 - 2¹ = 1225132001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225132001) 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 3 ways as a sum of consecutive naturals, for example, 1311238 + ... + 1312171.

It is an arithmetic number, because the mean of its divisors is an integer number (306938970).

Almost surely, 2^1225132003 is an apocalyptic number.

1225132003 is a deficient number, since it is larger than the sum of its proper divisors (2623877).

1225132003 is an equidigital number, since it uses as much as digits as its factorization.

1225132003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623876.

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

The square root of 1225132003 is about 35001.8857063445. The cubic root of 1225132003 is about 1070.0259122615.

Adding to 1225132003 its reverse (3002315221), we get a palindrome (4227447224).

The spelling of 1225132003 in words is "one billion, two hundred twenty-five million, one hundred thirty-two thousand, three".