122140244 has 6 divisors (see below), whose sum is σ = 213745434. Its totient is φ = 61070120.

The previous prime is 122140237. The next prime is 122140247. The reversal of 122140244 is 442041221.

It can be written as a sum of positive squares in only one way, i.e., 77651344 + 44488900 = 8812^2 + 6670^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122140247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15267527 + ... + 15267534.

It is an arithmetic number, because the mean of its divisors is an integer number (35624239).

Almost surely, 2^122140244 is an apocalyptic number.

It is an amenable number.

122140244 is a deficient number, since it is larger than the sum of its proper divisors (91605190).

122140244 is a wasteful number, since it uses less digits than its factorization.

122140244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30535065 (or 30535063 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 122140244 is about 11051.7077413402. The cubic root of 122140244 is about 496.1575386239.

Adding to 122140244 its reverse (442041221), we get a palindrome (564181465).

The spelling of 122140244 in words is "one hundred twenty-two million, one hundred forty thousand, two hundred forty-four".