1225020067 has 2 divisors, whose sum is σ = 1225020068. Its totient is φ = 1225020066.

The previous prime is 1225020061. The next prime is 1225020133. The reversal of 1225020067 is 7600205221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1225020067 - 2²³ = 1216631459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1225020061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612510033 + 612510034.

It is an arithmetic number, because the mean of its divisors is an integer number (612510034).

Almost surely, 2^1225020067 is an apocalyptic number.

1225020067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225020067 is an equidigital number, since it uses as much as digits as its factorization.

1225020067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1225020067 is about 35000.2866702546. The cubic root of 1225020067 is about 1069.9933231016.

Adding to 1225020067 its reverse (7600205221), we get a palindrome (8825225288).

The spelling of 1225020067 in words is "one billion, two hundred twenty-five million, twenty thousand, sixty-seven".