1225053029 has 2 divisors, whose sum is σ = 1225053030. Its totient is φ = 1225053028.

The previous prime is 1225053023. The next prime is 1225053043. The reversal of 1225053029 is 9203505221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 981380929 + 243672100 = 31327^2 + 15610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225053029 - 2⁴ = 1225053013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225052992 and 1225053010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225053023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612526514 + 612526515.

It is an arithmetic number, because the mean of its divisors is an integer number (612526515).

Almost surely, 2^1225053029 is an apocalyptic number.

It is an amenable number.

1225053029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225053029 is an equidigital number, since it uses as much as digits as its factorization.

1225053029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1225053029 is about 35000.7575489446. The cubic root of 1225053029 is about 1070.0029198977.

The spelling of 1225053029 in words is "one billion, two hundred twenty-five million, fifty-three thousand, twenty-nine".