3722129 has 2 divisors, whose sum is σ = 3722130. Its totient is φ = 3722128.

The previous prime is 3722101. The next prime is 3722143. The reversal of 3722129 is 9212273.

3722129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2982529 + 739600 = 1727^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 3722129 - 2⁸ = 3721873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3722098 and 3722107.

It is not a weakly prime, because it can be changed into another prime (3722149) by changing a digit.

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 as a sum of consecutive naturals, namely, 1861064 + 1861065.

It is an arithmetic number, because the mean of its divisors is an integer number (1861065).

Almost surely, 2^3722129 is an apocalyptic number.

It is an amenable number.

3722129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3722129 is an equidigital number, since it uses as much as digits as its factorization.

3722129 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3722129 is about 1929.2819907935. The cubic root of 3722129 is about 154.9757714471.

The spelling of 3722129 in words is "three million, seven hundred twenty-two thousand, one hundred twenty-nine".