7870125 has 32 divisors (see below), whose sum is σ = 13538304. Its totient is φ = 4056000.

The previous prime is 7870097. The next prime is 7870139. The reversal of 7870125 is 5210787.

It is a happy number.

It is not a de Polignac number, because 7870125 - 2¹² = 7866029 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 7870092 and 7870101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11287 + ... + 11963.

It is an arithmetic number, because the mean of its divisors is an integer number (423072).

Almost surely, 2^7870125 is an apocalyptic number.

7870125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7870125 is a deficient number, since it is larger than the sum of its proper divisors (5668179).

7870125 is a wasteful number, since it uses less digits than its factorization.

7870125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 7870125 is about 2805.3743065766. The cubic root of 7870125 is about 198.9117981556.

The spelling of 7870125 in words is "seven million, eight hundred seventy thousand, one hundred twenty-five".