3972122 has 16 divisors (see below), whose sum is σ = 7428672. Its totient is φ = 1547520.

The previous prime is 3972119. The next prime is 3972139. The reversal of 3972122 is 2212793.

3972122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3972091 and 3972100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12743 + ... + 13050.

It is an arithmetic number, because the mean of its divisors is an integer number (464292).

Almost surely, 2^3972122 is an apocalyptic number.

3972122 is a deficient number, since it is larger than the sum of its proper divisors (3456550).

3972122 is a wasteful number, since it uses less digits than its factorization.

3972122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25813.

The product of its digits is 1512, while the sum is 26.

The square root of 3972122 is about 1993.0183140152. The cubic root of 3972122 is about 158.3704654063.

The spelling of 3972122 in words is "three million, nine hundred seventy-two thousand, one hundred twenty-two".