1225063147 has 16 divisors (see below), whose sum is σ = 1556174592. Its totient is φ = 936580320.

The previous prime is 1225063141. The next prime is 1225063157. The reversal of 1225063147 is 7413605221.

It is a cyclic number.

It is not a de Polignac number, because 1225063147 - 2³ = 1225063139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1225063141) 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, 146013 + ... + 154174.

It is an arithmetic number, because the mean of its divisors is an integer number (97260912).

Almost surely, 2^1225063147 is an apocalyptic number.

1225063147 is a deficient number, since it is larger than the sum of its proper divisors (331111445).

1225063147 is a wasteful number, since it uses less digits than its factorization.

1225063147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300258.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1225063147 is about 35000.9020883748. The cubic root of 1225063147 is about 1070.0058656912.

Adding to 1225063147 its reverse (7413605221), we get a palindrome (8638668368).

The spelling of 1225063147 in words is "one billion, two hundred twenty-five million, sixty-three thousand, one hundred forty-seven".