7129141 has 4 divisors (see below), whose sum is σ = 7156512. Its totient is φ = 7101772.

The previous prime is 7129127. The next prime is 7129159. The reversal of 7129141 is 1419217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1419217 = 83 ⋅17099.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7129141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7121141) 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 in 3 ways as a sum of consecutive naturals, for example, 13291 + ... + 13816.

It is an arithmetic number, because the mean of its divisors is an integer number (1789128).

Almost surely, 2^7129141 is an apocalyptic number.

It is an amenable number.

7129141 is a deficient number, since it is larger than the sum of its proper divisors (27371).

7129141 is a wasteful number, since it uses less digits than its factorization.

7129141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27370.

The product of its digits is 504, while the sum is 25.

The square root of 7129141 is about 2670.0451307047. The cubic root of 7129141 is about 192.4623280416.

The spelling of 7129141 in words is "seven million, one hundred twenty-nine thousand, one hundred forty-one".