1240234141 has 2 divisors, whose sum is σ = 1240234142. Its totient is φ = 1240234140.

The previous prime is 1240234123. The next prime is 1240234147. The reversal of 1240234141 is 1414320421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 838392025 + 401842116 = 28955^2 + 20046^2 .

It is an emirp because it is prime and its reverse (1414320421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1240234141 - 2¹³ = 1240225949 is a prime.

It is a super-4 number, since 4×1240234141⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240234147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620117070 + 620117071.

It is an arithmetic number, because the mean of its divisors is an integer number (620117071).

Almost surely, 2^1240234141 is an apocalyptic number.

It is an amenable number.

1240234141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240234141 is an equidigital number, since it uses as much as digits as its factorization.

1240234141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1240234141 is about 35216.9581451891. The cubic root of 1240234141 is about 1074.4046867215.

Adding to 1240234141 its reverse (1414320421), we get a palindrome (2654554562).

It can be divided in two parts, 124023 and 4141, that added together give a square (128164 = 358²).

The spelling of 1240234141 in words is "one billion, two hundred forty million, two hundred thirty-four thousand, one hundred forty-one".