972129122 has 32 divisors (see below), whose sum is σ = 1583841600. Its totient is φ = 445713408.

The previous prime is 972129113. The next prime is 972129143. The reversal of 972129122 is 221921279.

972129122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962954 + ... + 963962.

It is an arithmetic number, because the mean of its divisors is an integer number (49495050).

Almost surely, 2^972129122 is an apocalyptic number.

972129122 is a deficient number, since it is larger than the sum of its proper divisors (611712478).

972129122 is a wasteful number, since it uses less digits than its factorization.

972129122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730.

The product of its digits is 9072, while the sum is 35.

The square root of 972129122 is about 31178.9852625130. The cubic root of 972129122 is about 990.6220360442.

The spelling of 972129122 in words is "nine hundred seventy-two million, one hundred twenty-nine thousand, one hundred twenty-two".