1240870671 has 10 divisors (see below), whose sum is σ = 1853646432. Its totient is φ = 827247060.

The previous prime is 1240870649. The next prime is 1240870679. The reversal of 1240870671 is 1760780421.

It is not a de Polignac number, because 1240870671 - 2⁶ = 1240870607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240870679) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7659615 + ... + 7659776.

Almost surely, 2^1240870671 is an apocalyptic number.

1240870671 is a deficient number, since it is larger than the sum of its proper divisors (612775761).

1240870671 is an equidigital number, since it uses as much as digits as its factorization.

1240870671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15319403 (or 15319394 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 1240870671 is about 35225.9942514047. The cubic root of 1240870671 is about 1074.5884621952.

The spelling of 1240870671 in words is "one billion, two hundred forty million, eight hundred seventy thousand, six hundred seventy-one".