1225401303 has 8 divisors (see below), whose sum is σ = 1867278208. Its totient is φ = 700229304.

The previous prime is 1225401299. The next prime is 1225401329. The reversal of 1225401303 is 3031045221.

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

It is not a de Polignac number, because 1225401303 - 2² = 1225401299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 58352443 = 1225401303 / (1 + 2 + 2 + 5 + 4 + 0 + 1 + 3 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225401303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225401103) 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, 29176201 + ... + 29176242.

It is an arithmetic number, because the mean of its divisors is an integer number (233409776).

Almost surely, 2^1225401303 is an apocalyptic number.

1225401303 is a deficient number, since it is larger than the sum of its proper divisors (641876905).

1225401303 is an equidigital number, since it uses as much as digits as its factorization.

1225401303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58352453.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1225401303 is about 35005.7324305606. The cubic root of 1225401303 is about 1070.1043084034.

Adding to 1225401303 its reverse (3031045221), we get a palindrome (4256446524).

The spelling of 1225401303 in words is "one billion, two hundred twenty-five million, four hundred one thousand, three hundred three".