1225034197 has 2 divisors, whose sum is σ = 1225034198. Its totient is φ = 1225034196.

The previous prime is 1225034191. The next prime is 1225034207. The reversal of 1225034197 is 7914305221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 940403556 + 284630641 = 30666^2 + 16871^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225034197 - 2³ = 1225034189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225034191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612517098 + 612517099.

It is an arithmetic number, because the mean of its divisors is an integer number (612517099).

Almost surely, 2^1225034197 is an apocalyptic number.

It is an amenable number.

1225034197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225034197 is an equidigital number, since it uses as much as digits as its factorization.

1225034197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1225034197 is about 35000.4885251620. The cubic root of 1225034197 is about 1069.9974370335.

The spelling of 1225034197 in words is "one billion, two hundred twenty-five million, thirty-four thousand, one hundred ninety-seven".