1240956634 has 8 divisors (see below), whose sum is σ = 1871719668. Its totient is φ = 617050080.

The previous prime is 1240956631. The next prime is 1240956641. The reversal of 1240956634 is 4366590421.

It can be written as a sum of positive squares in 2 ways, for example, as 876337609 + 364619025 = 29603^2 + 19095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1240956631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713667 + ... + 1714390.

Almost surely, 2^1240956634 is an apocalyptic number.

1240956634 is a deficient number, since it is larger than the sum of its proper divisors (630763034).

1240956634 is a wasteful number, since it uses less digits than its factorization.

1240956634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428240.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 1240956634 is about 35227.2143945558. The cubic root of 1240956634 is about 1074.6132761469.

The spelling of 1240956634 in words is "one billion, two hundred forty million, nine hundred fifty-six thousand, six hundred thirty-four".