1225103351 has 16 divisors (see below), whose sum is σ = 1307674368. Its totient is φ = 1143744000.

The previous prime is 1225103311. The next prime is 1225103357. The reversal of 1225103351 is 1533015221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1225103351 - 2¹⁸ = 1224841207 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 (1225103357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1747301 + ... + 1748001.

It is an arithmetic number, because the mean of its divisors is an integer number (81729648).

Almost surely, 2^1225103351 is an apocalyptic number.

1225103351 is a deficient number, since it is larger than the sum of its proper divisors (82571017).

1225103351 is a wasteful number, since it uses less digits than its factorization.

1225103351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1225103351 is about 35001.4764117173. The cubic root of 1225103351 is about 1070.0175706784.

Adding to 1225103351 its reverse (1533015221), we get a palindrome (2758118572).

The spelling of 1225103351 in words is "one billion, two hundred twenty-five million, one hundred three thousand, three hundred fifty-one".