1240410029 has 2 divisors, whose sum is σ = 1240410030. Its totient is φ = 1240410028.

The previous prime is 1240410001. The next prime is 1240410053. The reversal of 1240410029 is 9200140421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 967334404 + 273075625 = 31102^2 + 16525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240410029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1240409986 and 1240410013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240412029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620205014 + 620205015.

It is an arithmetic number, because the mean of its divisors is an integer number (620205015).

Almost surely, 2^1240410029 is an apocalyptic number.

It is an amenable number.

1240410029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240410029 is an equidigital number, since it uses as much as digits as its factorization.

1240410029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1240410029 is about 35219.4552626812. The cubic root of 1240410029 is about 1074.4554744324.

The spelling of 1240410029 in words is "one billion, two hundred forty million, four hundred ten thousand, twenty-nine".