9129142 has 32 divisors (see below), whose sum is σ = 15876000. Its totient is φ = 3897600.

The previous prime is 9129073. The next prime is 9129149. The reversal of 9129142 is 2419219.

It is a happy number.

9129142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (1296) is a multiple of the sum of its prime divisors (432).

It is a self number, because there is not a number n which added to its sum of digits gives 9129142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9129149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25984 + ... + 26332.

It is an arithmetic number, because the mean of its divisors is an integer number (496125).

Almost surely, 2^9129142 is an apocalyptic number.

9129142 is a deficient number, since it is larger than the sum of its proper divisors (6746858).

9129142 is a wasteful number, since it uses less digits than its factorization.

9129142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432.

The product of its digits is 1296, while the sum is 28.

The square root of 9129142 is about 3021.4470043342. The cubic root of 9129142 is about 208.9985729777.

The spelling of 9129142 in words is "nine million, one hundred twenty-nine thousand, one hundred forty-two".