1240485293 has 8 divisors (see below), whose sum is σ = 1255098240. Its totient is φ = 1225887520.

The previous prime is 1240485283. The next prime is 1240485307. The reversal of 1240485293 is 3925840421.

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

It is a cyclic number.

It is not a de Polignac number, because 1240485293 - 2²⁰ = 1239436717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240485263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301178 + ... + 305268.

It is an arithmetic number, because the mean of its divisors is an integer number (156887280).

Almost surely, 2^1240485293 is an apocalyptic number.

It is an amenable number.

1240485293 is a deficient number, since it is larger than the sum of its proper divisors (14612947).

1240485293 is an equidigital number, since it uses as much as digits as its factorization.

1240485293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1240485293 is about 35220.5237468156. The cubic root of 1240485293 is about 1074.4772054674.

The spelling of 1240485293 in words is "one billion, two hundred forty million, four hundred eighty-five thousand, two hundred ninety-three".