1225364554 has 8 divisors (see below), whose sum is σ = 1840002948. Its totient is φ = 612030240.

The previous prime is 1225364531. The next prime is 1225364597. The reversal of 1225364554 is 4554635221.

It can be written as a sum of positive squares in 2 ways, for example, as 1223390529 + 1974025 = 34977^2 + 1405^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323667 + ... + 327430.

Almost surely, 2^1225364554 is an apocalyptic number.

1225364554 is a deficient number, since it is larger than the sum of its proper divisors (614638394).

1225364554 is an equidigital number, since it uses as much as digits as its factorization.

1225364554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652040.

The product of its digits is 144000, while the sum is 37.

The square root of 1225364554 is about 35005.2075268809. The cubic root of 1225364554 is about 1070.0936110490.

Adding to 1225364554 its reverse (4554635221), we get a palindrome (5779999775).

The spelling of 1225364554 in words is "one billion, two hundred twenty-five million, three hundred sixty-four thousand, five hundred fifty-four".