140122101 has 16 divisors (see below), whose sum is σ = 213955200. Its totient is φ = 79906368.

The previous prime is 140122091. The next prime is 140122117. The reversal of 140122101 is 101221041.

It is a happy number.

It is not a de Polignac number, because 140122101 - 2¹⁰ = 140121077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140122001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4135 + ... + 17243.

It is an arithmetic number, because the mean of its divisors is an integer number (13372200).

Almost surely, 2^140122101 is an apocalyptic number.

It is an amenable number.

140122101 is a deficient number, since it is larger than the sum of its proper divisors (73833099).

140122101 is a wasteful number, since it uses less digits than its factorization.

140122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13628.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 140122101 is about 11837.3181506623. The cubic root of 140122101 is about 519.4003207791.

Adding to 140122101 its reverse (101221041), we get a palindrome (241343142).

The spelling of 140122101 in words is "one hundred forty million, one hundred twenty-two thousand, one hundred one".