140122 has 4 divisors (see below), whose sum is σ = 210186. Its totient is φ = 70060.

The previous prime is 140111. The next prime is 140123. The reversal of 140122 is 221041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221041 = 47 ⋅4703.

It can be written as a sum of positive squares in only one way, i.e., 130321 + 9801 = 361^2 + 99^2 .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 140099 and 140108.

It is not an unprimeable number, because it can be changed into a prime (140123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35029 + ... + 35032.

2¹⁴⁰¹²² is an apocalyptic number.

140122 is a deficient number, since it is larger than the sum of its proper divisors (70064).

140122 is an equidigital number, since it uses as much as digits as its factorization.

140122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70063.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 140122 is about 374.3287325333. The cubic root of 140122 is about 51.9400195984.

Adding to 140122 its reverse (221041), we get a palindrome (361163).

It can be divided in two parts, 140 and 122, that added together give a palindrome (262).

The spelling of 140122 in words is "one hundred forty thousand, one hundred twenty-two", and thus it is an iban number.