7141530 has 128 divisors (see below), whose sum is σ = 21150720. Its totient is φ = 1520640.

The previous prime is 7141489. The next prime is 7141531. The reversal of 7141530 is 351417.

It is a junction number, because it is equal to n+sod(n) for n = 7141497 and 7141506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7141531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106557 + ... + 106623.

It is an arithmetic number, because the mean of its divisors is an integer number (165240).

Almost surely, 2^7141530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7141530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10575360).

7141530 is an abundant number, since it is smaller than the sum of its proper divisors (14009190).

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

7141530 is a wasteful number, since it uses less digits than its factorization.

7141530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 7141530 is about 2672.3641218966. The cubic root of 7141530 is about 192.5737503436.

Adding to 7141530 its reverse (351417), we get a palindrome (7492947).

The spelling of 7141530 in words is "seven million, one hundred forty-one thousand, five hundred thirty".