1225733029 has 2 divisors, whose sum is σ = 1225733030. Its totient is φ = 1225733028.

The previous prime is 1225733027. The next prime is 1225733057. The reversal of 1225733029 is 9203375221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1204784100 + 20948929 = 34710^2 + 4577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225733029 - 2¹ = 1225733027 is a prime.

Together with 1225733027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1225732985 and 1225733003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225733023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612866514 + 612866515.

It is an arithmetic number, because the mean of its divisors is an integer number (612866515).

Almost surely, 2^1225733029 is an apocalyptic number.

It is an amenable number.

1225733029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225733029 is an equidigital number, since it uses as much as digits as its factorization.

1225733029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1225733029 is about 35010.4702767615. The cubic root of 1225733029 is about 1070.2008616424.

The spelling of 1225733029 in words is "one billion, two hundred twenty-five million, seven hundred thirty-three thousand, twenty-nine".