140122243 has 2 divisors, whose sum is σ = 140122244. Its totient is φ = 140122242.

The previous prime is 140122237. The next prime is 140122247. The reversal of 140122243 is 342221041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140122243 - 2⁹ = 140121731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140122243.

It is not a weakly prime, because it can be changed into another prime (140122247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70061121 + 70061122.

It is an arithmetic number, because the mean of its divisors is an integer number (70061122).

Almost surely, 2^140122243 is an apocalyptic number.

140122243 is a deficient number, since it is larger than the sum of its proper divisors (1).

140122243 is an equidigital number, since it uses as much as digits as its factorization.

140122243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140122243 is about 11837.3241486410. The cubic root of 140122243 is about 519.4004962328.

Adding to 140122243 its reverse (342221041), we get a palindrome (482343284).

The spelling of 140122243 in words is "one hundred forty million, one hundred twenty-two thousand, two hundred forty-three".