1240825507 has 2 divisors, whose sum is σ = 1240825508. Its totient is φ = 1240825506.

The previous prime is 1240825493. The next prime is 1240825567. The reversal of 1240825507 is 7055280421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1240825507 - 2¹⁹ = 1240301219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240825567) 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, 620412753 + 620412754.

It is an arithmetic number, because the mean of its divisors is an integer number (620412754).

Almost surely, 2^1240825507 is an apocalyptic number.

1240825507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240825507 is an equidigital number, since it uses as much as digits as its factorization.

1240825507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 1240825507 is about 35225.3531848866. The cubic root of 1240825507 is about 1074.5754247629.

The spelling of 1240825507 in words is "one billion, two hundred forty million, eight hundred twenty-five thousand, five hundred seven".