122140738 has 16 divisors (see below), whose sum is σ = 186968160. Its totient is φ = 59825376.

The previous prime is 122140717. The next prime is 122140747. The reversal of 122140738 is 837041221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35281 + ... + 38587.

It is an arithmetic number, because the mean of its divisors is an integer number (11685510).

Almost surely, 2^122140738 is an apocalyptic number.

122140738 is a deficient number, since it is larger than the sum of its proper divisors (64827422).

122140738 is a wasteful number, since it uses less digits than its factorization.

122140738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 122140738 is about 11051.7300908048. The cubic root of 122140738 is about 496.1582075312.

Adding to 122140738 its reverse (837041221), we get a palindrome (959181959).

The spelling of 122140738 in words is "one hundred twenty-two million, one hundred forty thousand, seven hundred thirty-eight".