1245248228 has 24 divisors (see below), whose sum is σ = 2551242624. Its totient is φ = 520660800.

The previous prime is 1245248189. The next prime is 1245248233. The reversal of 1245248228 is 8228425421.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1245248191 and 1245248200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541208 + ... + 543503.

It is an arithmetic number, because the mean of its divisors is an integer number (106301776).

Almost surely, 2^1245248228 is an apocalyptic number.

It is an amenable number.

1245248228 is an abundant number, since it is smaller than the sum of its proper divisors (1305994396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245248228 is a wasteful number, since it uses less digits than its factorization.

1245248228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084763 (or 1084761 counting only the distinct ones).

The product of its digits is 81920, while the sum is 38.

The square root of 1245248228 is about 35288.0748695646. The cubic root of 1245248228 is about 1075.8506274039.

The spelling of 1245248228 in words is "one billion, two hundred forty-five million, two hundred forty-eight thousand, two hundred twenty-eight".