1225234039 has 2 divisors, whose sum is σ = 1225234040. Its totient is φ = 1225234038.

The previous prime is 1225234033. The next prime is 1225234091. The reversal of 1225234039 is 9304325221.

It is a weak prime.

It is an emirp because it is prime and its reverse (9304325221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1225234039 - 2¹⁹ = 1224709751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1225234039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225234033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612617019 + 612617020.

It is an arithmetic number, because the mean of its divisors is an integer number (612617020).

Almost surely, 2^1225234039 is an apocalyptic number.

1225234039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225234039 is an equidigital number, since it uses as much as digits as its factorization.

1225234039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1225234039 is about 35003.3432546093. The cubic root of 1225234039 is about 1070.0556173961.

The spelling of 1225234039 in words is "one billion, two hundred twenty-five million, two hundred thirty-four thousand, thirty-nine".