1240334201 has 4 divisors (see below), whose sum is σ = 1240410000. Its totient is φ = 1240258404.

The previous prime is 1240334191. The next prime is 1240334203. The reversal of 1240334201 is 1024330421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1024330421 = 29209 ⋅35069.

It is a cyclic number.

It is not a de Polignac number, because 1240334201 - 2¹⁴ = 1240317817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240334203) 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, 2051 + ... + 49848.

It is an arithmetic number, because the mean of its divisors is an integer number (310102500).

Almost surely, 2^1240334201 is an apocalyptic number.

It is an amenable number.

1240334201 is a deficient number, since it is larger than the sum of its proper divisors (75799).

1240334201 is an equidigital number, since it uses as much as digits as its factorization.

1240334201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75798.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1240334201 is about 35218.3787389482. The cubic root of 1240334201 is about 1074.4335796643.

Adding to 1240334201 its reverse (1024330421), we get a palindrome (2264664622).

The spelling of 1240334201 in words is "one billion, two hundred forty million, three hundred thirty-four thousand, two hundred one".