1225410403 has 8 divisors (see below), whose sum is σ = 1426893408. Its totient is φ = 1030533504.

The previous prime is 1225410397. The next prime is 1225410413. The reversal of 1225410403 is 3040145221.

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-1225410403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225410413) 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, 1651126 + ... + 1651867.

It is an arithmetic number, because the mean of its divisors is an integer number (178361676).

Almost surely, 2^1225410403 is an apocalyptic number.

1225410403 is a deficient number, since it is larger than the sum of its proper divisors (201483005).

1225410403 is an equidigital number, since it uses as much as digits as its factorization.

1225410403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303053.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1225410403 is about 35005.8624090309. The cubic root of 1225410403 is about 1070.1069573112.

Adding to 1225410403 its reverse (3040145221), we get a palindrome (4265555624).

The spelling of 1225410403 in words is "one billion, two hundred twenty-five million, four hundred ten thousand, four hundred three".