1240140007 has 2 divisors, whose sum is σ = 1240140008. Its totient is φ = 1240140006.

The previous prime is 1240140001. The next prime is 1240140037. The reversal of 1240140007 is 7000410421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1240140007 - 2¹¹ = 1240137959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240140001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620070003 + 620070004.

It is an arithmetic number, because the mean of its divisors is an integer number (620070004).

Almost surely, 2^1240140007 is an apocalyptic number.

1240140007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240140007 is an equidigital number, since it uses as much as digits as its factorization.

1240140007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1240140007 is about 35215.6216330196. The cubic root of 1240140007 is about 1074.3775035292.

Adding to 1240140007 its reverse (7000410421), we get a palindrome (8240550428).

The spelling of 1240140007 in words is "one billion, two hundred forty million, one hundred forty thousand, seven".