122142652 has 12 divisors (see below), whose sum is σ = 214148536. Its totient is φ = 60957360.

The previous prime is 122142607. The next prime is 122142667. The reversal of 122142652 is 256241221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26058 + ... + 30385.

Almost surely, 2^122142652 is an apocalyptic number.

It is an amenable number.

122142652 is a deficient number, since it is larger than the sum of its proper divisors (92005884).

122142652 is a wasteful number, since it uses less digits than its factorization.

122142652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56988 (or 56986 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 122142652 is about 11051.8166832426. The cubic root of 122142652 is about 496.1607991913.

Adding to 122142652 its reverse (256241221), we get a palindrome (378383873).

The spelling of 122142652 in words is "one hundred twenty-two million, one hundred forty-two thousand, six hundred fifty-two".