140411121231242 has 4 divisors (see below), whose sum is σ = 210616681846866. Its totient is φ = 70205560615620.

The previous prime is 140411121231221. The next prime is 140411121231247. The reversal of 140411121231242 is 242132121114041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 137522552454001 + 2888568777241 = 11727001^2 + 1699579^2 .

It is not an unprimeable number, because it can be changed into a prime (140411121231247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35102780307809 + ... + 35102780307812.

Almost surely, 2^{140411121231242} is an apocalyptic number.

140411121231242 is a deficient number, since it is larger than the sum of its proper divisors (70205560615624).

140411121231242 is an equidigital number, since it uses as much as digits as its factorization.

140411121231242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70205560615623.

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 140411121231242 its reverse (242132121114041), we get a palindrome (382543242345283).

The spelling of 140411121231242 in words is "one hundred forty trillion, four hundred eleven billion, one hundred twenty-one million, two hundred thirty-one thousand, two hundred forty-two".