7042129 has 2 divisors, whose sum is σ = 7042130. Its totient is φ = 7042128.

The previous prime is 7042121. The next prime is 7042183. The reversal of 7042129 is 9212407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7033104 + 9025 = 2652^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 7042129 - 2³ = 7042121 is a prime.

It is not a weakly prime, because it can be changed into another prime (7042121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3521064 + 3521065.

It is an arithmetic number, because the mean of its divisors is an integer number (3521065).

Almost surely, 2^7042129 is an apocalyptic number.

It is an amenable number.

7042129 is a deficient number, since it is larger than the sum of its proper divisors (1).

7042129 is an equidigital number, since it uses as much as digits as its factorization.

7042129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 7042129 is about 2653.7010004897. The cubic root of 7042129 is about 191.6761122839.

The spelling of 7042129 in words is "seven million, forty-two thousand, one hundred twenty-nine".