1240133341 has 4 divisors (see below), whose sum is σ = 1244366172. Its totient is φ = 1235900512.

The previous prime is 1240133333. The next prime is 1240133347. The reversal of 1240133341 is 1433310421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1433310421 = 6163 ⋅232567.

It can be written as a sum of positive squares in 2 ways, for example, as 823116100 + 417017241 = 28690^2 + 20421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240133341 - 2³ = 1240133333 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 (1240133347) 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, 2115976 + ... + 2116561.

It is an arithmetic number, because the mean of its divisors is an integer number (311091543).

Almost surely, 2^1240133341 is an apocalyptic number.

It is an amenable number.

1240133341 is a deficient number, since it is larger than the sum of its proper divisors (4232831).

1240133341 is an equidigital number, since it uses as much as digits as its factorization.

1240133341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232830.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1240133341 is about 35215.5269873958. The cubic root of 1240133341 is about 1074.3755785279.

Adding to 1240133341 its reverse (1433310421), we get a palindrome (2673443762).

The spelling of 1240133341 in words is "one billion, two hundred forty million, one hundred thirty-three thousand, three hundred forty-one".