1225545411 has 8 divisors (see below), whose sum is σ = 1634288320. Its totient is φ = 816916392.

The previous prime is 1225545383. The next prime is 1225545421. The reversal of 1225545411 is 1145455221.

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

It is not a de Polignac number, because 1225545411 - 2²⁵ = 1191990979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225545421) 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, 996 + ... + 49518.

It is an arithmetic number, because the mean of its divisors is an integer number (204286040).

Almost surely, 2^1225545411 is an apocalyptic number.

1225545411 is a deficient number, since it is larger than the sum of its proper divisors (408742909).

1225545411 is an equidigital number, since it uses as much as digits as its factorization.

1225545411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56945.

The product of its digits is 8000, while the sum is 30.

The square root of 1225545411 is about 35007.7907186386. The cubic root of 1225545411 is about 1070.1462550829.

The spelling of 1225545411 in words is "one billion, two hundred twenty-five million, five hundred forty-five thousand, four hundred eleven".