1240086037 has 2 divisors, whose sum is σ = 1240086038. Its totient is φ = 1240086036.

The previous prime is 1240086031. The next prime is 1240086061. The reversal of 1240086037 is 7306800421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1117297476 + 122788561 = 33426^2 + 11081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240086037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240086031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620043018 + 620043019.

It is an arithmetic number, because the mean of its divisors is an integer number (620043019).

Almost surely, 2^1240086037 is an apocalyptic number.

It is an amenable number.

1240086037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240086037 is an equidigital number, since it uses as much as digits as its factorization.

1240086037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1240086037 is about 35214.8553454362. The cubic root of 1240086037 is about 1074.3619179247.

Adding to 1240086037 its reverse (7306800421), we get a palindrome (8546886458).

The spelling of 1240086037 in words is "one billion, two hundred forty million, eighty-six thousand, thirty-seven".