1240485107 has 2 divisors, whose sum is σ = 1240485108. Its totient is φ = 1240485106.

The previous prime is 1240485061. The next prime is 1240485109. The reversal of 1240485107 is 7015840421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1240485107 - 2¹⁶ = 1240419571 is a prime.

Together with 1240485109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1240485109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620242553 + 620242554.

It is an arithmetic number, because the mean of its divisors is an integer number (620242554).

Almost surely, 2^1240485107 is an apocalyptic number.

1240485107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240485107 is an equidigital number, since it uses as much as digits as its factorization.

1240485107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 1240485107 is about 35220.5211063096. The cubic root of 1240485107 is about 1074.4771517646.

The spelling of 1240485107 in words is "one billion, two hundred forty million, four hundred eighty-five thousand, one hundred seven".