1225000147 has 8 divisors (see below), whose sum is σ = 1428572000. Its totient is φ = 1049999832.

The previous prime is 1225000103. The next prime is 1225000163. The reversal of 1225000147 is 7410005221.

It is a happy number.

It is not a de Polignac number, because 1225000147 - 2¹⁹ = 1224475859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225006147) 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, 1785372 + ... + 1786057.

It is an arithmetic number, because the mean of its divisors is an integer number (178571500).

Almost surely, 2^1225000147 is an apocalyptic number.

1225000147 is a deficient number, since it is larger than the sum of its proper divisors (203571853).

1225000147 is an frugal number, since it uses more digits than its factorization.

1225000147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571450 (or 3571436 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1225000147 is about 35000.0020999999. The cubic root of 1225000147 is about 1069.9875233646.

Adding to 1225000147 its reverse (7410005221), we get a palindrome (8635005368).

The spelling of 1225000147 in words is "one billion, two hundred twenty-five million, one hundred forty-seven", and thus it is an aban number.