122140652 has 6 divisors (see below), whose sum is σ = 213746148. Its totient is φ = 61070324.

The previous prime is 122140643. The next prime is 122140687. The reversal of 122140652 is 256041221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15267578 + ... + 15267585.

It is an arithmetic number, because the mean of its divisors is an integer number (35624358).

Almost surely, 2^122140652 is an apocalyptic number.

It is an amenable number.

122140652 is a deficient number, since it is larger than the sum of its proper divisors (91605496).

122140652 is a wasteful number, since it uses less digits than its factorization.

122140652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30535167 (or 30535165 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 122140652 is about 11051.7262000106. The cubic root of 122140652 is about 496.1580910818.

Adding to 122140652 its reverse (256041221), we get a palindrome (378181873).

The spelling of 122140652 in words is "one hundred twenty-two million, one hundred forty thousand, six hundred fifty-two".