7125130 has 16 divisors (see below), whose sum is σ = 12947040. Its totient is φ = 2822992.

The previous prime is 7125121. The next prime is 7125169. The reversal of 7125130 is 315217.

It is a junction number, because it is equal to n+sod(n) for n = 7125098 and 7125107.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2260 + ... + 4399.

It is an arithmetic number, because the mean of its divisors is an integer number (809190).

Almost surely, 2^7125130 is an apocalyptic number.

7125130 is a deficient number, since it is larger than the sum of its proper divisors (5821910).

7125130 is a wasteful number, since it uses less digits than its factorization.

7125130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 7125130 is about 2669.2939141279. The cubic root of 7125130 is about 192.4262268612.

The spelling of 7125130 in words is "seven million, one hundred twenty-five thousand, one hundred thirty".