1225432103 has 16 divisors (see below), whose sum is σ = 1434571776. Its totient is φ = 1024863840.

The previous prime is 1225432057. The next prime is 1225432123. The reversal of 1225432103 is 3012345221.

It is not a de Polignac number, because 1225432103 - 2¹⁰ = 1225431079 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 (1225432123) 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 15 ways as a sum of consecutive naturals, for example, 426893 + ... + 429753.

It is an arithmetic number, because the mean of its divisors is an integer number (89660736).

Almost surely, 2^1225432103 is an apocalyptic number.

1225432103 is a deficient number, since it is larger than the sum of its proper divisors (209139673).

1225432103 is a wasteful number, since it uses less digits than its factorization.

1225432103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1225432103 is about 35006.1723557432. The cubic root of 1225432103 is about 1070.1132738845.

Adding to 1225432103 its reverse (3012345221), we get a palindrome (4237777324).

The spelling of 1225432103 in words is "one billion, two hundred twenty-five million, four hundred thirty-two thousand, one hundred three".