1240502141 has 8 divisors (see below), whose sum is σ = 1271323680. Its totient is φ = 1209770352.

The previous prime is 1240502129. The next prime is 1240502177. The reversal of 1240502141 is 1412050421.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240502141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240502101) 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, 5990 + ... + 50168.

It is an arithmetic number, because the mean of its divisors is an integer number (158915460).

Almost surely, 2^1240502141 is an apocalyptic number.

It is an amenable number.

1240502141 is a deficient number, since it is larger than the sum of its proper divisors (30821539).

1240502141 is an equidigital number, since it uses as much as digits as its factorization.

1240502141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44875.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1240502141 is about 35220.7629247295. The cubic root of 1240502141 is about 1074.4820698835.

Adding to 1240502141 its reverse (1412050421), we get a palindrome (2652552562).

The spelling of 1240502141 in words is "one billion, two hundred forty million, five hundred two thousand, one hundred forty-one".