1228845241 has 8 divisors (see below), whose sum is σ = 1323685440. Its totient is φ = 1134049872.

The previous prime is 1228845229. The next prime is 1228845259. The reversal of 1228845241 is 1425488221.

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

It is a cyclic number.

It is not a de Polignac number, because 1228845241 - 2¹⁷ = 1228714169 is a prime.

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 1228845241.

It is not an unprimeable number, because it can be changed into a prime (1228845641) 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, 64926 + ... + 81688.

It is an arithmetic number, because the mean of its divisors is an integer number (165460680).

Almost surely, 2^1228845241 is an apocalyptic number.

It is an amenable number.

1228845241 is a deficient number, since it is larger than the sum of its proper divisors (94840199).

1228845241 is a wasteful number, since it uses less digits than its factorization.

1228845241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22415.

The product of its digits is 40960, while the sum is 37.

The square root of 1228845241 is about 35054.8889742929. Note that the first 3 decimals coincide. The cubic root of 1228845241 is about 1071.1058648556.

The spelling of 1228845241 in words is "one billion, two hundred twenty-eight million, eight hundred forty-five thousand, two hundred forty-one".