1240050353 has 4 divisors (see below), whose sum is σ = 1282810740. Its totient is φ = 1197289968.

The previous prime is 1240050349. The next prime is 1240050389. The reversal of 1240050353 is 3530500421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 982383649 + 257666704 = 31343^2 + 16052^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240050353 - 2² = 1240050349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240050653) 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, 21380150 + ... + 21380207.

It is an arithmetic number, because the mean of its divisors is an integer number (320702685).

Almost surely, 2^1240050353 is an apocalyptic number.

It is an amenable number.

1240050353 is a deficient number, since it is larger than the sum of its proper divisors (42760387).

1240050353 is an equidigital number, since it uses as much as digits as its factorization.

1240050353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42760386.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1240050353 is about 35214.3486806160. The cubic root of 1240050353 is about 1074.3516127530.

Adding to 1240050353 its reverse (3530500421), we get a palindrome (4770550774).

The spelling of 1240050353 in words is "one billion, two hundred forty million, fifty thousand, three hundred fifty-three".