7142130 has 24 divisors (see below), whose sum is σ = 18569772. Its totient is φ = 1904544.

The previous prime is 7142129. The next prime is 7142141. The reversal of 7142130 is 312417.

It can be written as a sum of positive squares in 2 ways, for example, as 7112889 + 29241 = 2667^2 + 171^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39589 + ... + 39768.

Almost surely, 2^7142130 is an apocalyptic number.

7142130 is an abundant number, since it is smaller than the sum of its proper divisors (11427642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7142130 is a wasteful number, since it uses less digits than its factorization.

7142130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79370 (or 79367 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 7142130 is about 2672.4763796898. The cubic root of 7142130 is about 192.5791432596.

Adding to 7142130 its reverse (312417), we get a palindrome (7454547).

The spelling of 7142130 in words is "seven million, one hundred forty-two thousand, one hundred thirty".