1240000141 has 4 divisors (see below), whose sum is σ = 1243553500. Its totient is φ = 1236446784.

The previous prime is 1240000133. The next prime is 1240000171. The reversal of 1240000141 is 1410000421.

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 586124100 + 653876041 = 24210^2 + 25571^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240000141 - 2³ = 1240000133 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 (1240000171) 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, 1776156 + ... + 1776853.

It is an arithmetic number, because the mean of its divisors is an integer number (310888375).

Almost surely, 2^1240000141 is an apocalyptic number.

It is an amenable number.

1240000141 is a deficient number, since it is larger than the sum of its proper divisors (3553359).

1240000141 is an equidigital number, since it uses as much as digits as its factorization.

1240000141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553358.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1240000141 is about 35213.6357253834. The cubic root of 1240000141 is about 1074.3371117098.

Adding to 1240000141 its reverse (1410000421), we get a palindrome (2650000562).

The spelling of 1240000141 in words is "one billion, two hundred forty million, one hundred forty-one", and thus it is an aban number.