1223047245 has 16 divisors (see below), whose sum is σ = 2236429440. Its totient is φ = 559107264.

The previous prime is 1223047229. The next prime is 1223047249. The reversal of 1223047245 is 5427403221.

It is not a de Polignac number, because 1223047245 - 2⁴ = 1223047229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223047249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5823930 + ... + 5824139.

It is an arithmetic number, because the mean of its divisors is an integer number (139776840).

Almost surely, 2^1223047245 is an apocalyptic number.

1223047245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1223047245 is a deficient number, since it is larger than the sum of its proper divisors (1013382195).

1223047245 is a wasteful number, since it uses less digits than its factorization.

1223047245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11648084.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 1223047245 is about 34972.0923737771. The cubic root of 1223047245 is about 1069.4186276054.

The spelling of 1223047245 in words is "one billion, two hundred twenty-three million, forty-seven thousand, two hundred forty-five".