7946129 has 2 divisors, whose sum is σ = 7946130. Its totient is φ = 7946128.

The previous prime is 7946119. The next prime is 7946153. The reversal of 7946129 is 9216497.

7946129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7924225 + 21904 = 2815^2 + 148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7946129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7946092 and 7946101.

It is not a weakly prime, because it can be changed into another prime (7946119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3973064 + 3973065.

It is an arithmetic number, because the mean of its divisors is an integer number (3973065).

Almost surely, 2^7946129 is an apocalyptic number.

It is an amenable number.

7946129 is a deficient number, since it is larger than the sum of its proper divisors (1).

7946129 is an equidigital number, since it uses as much as digits as its factorization.

7946129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 7946129 is about 2818.8879012831. The cubic root of 7946129 is about 199.5500635450.

Subtracting from 7946129 its sum of digits (38), we obtain a triangular number (7946091 = T₃₉₈₆).

The spelling of 7946129 in words is "seven million, nine hundred forty-six thousand, one hundred twenty-nine".