7140125 has 12 divisors (see below), whose sum is σ = 8948316. Its totient is φ = 5688200.

The previous prime is 7140113. The next prime is 7140127. The reversal of 7140125 is 5210417.

7140125 = T₁₁₅ + T₁₁₆ + ... + T₃₅₃.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

7140125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 228484 + 6911641 = 478^2 + 2629^2 .

It is not a de Polignac number, because 7140125 - 2¹⁰ = 7139101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7140097 and 7140106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29756 + ... + 29994.

It is an arithmetic number, because the mean of its divisors is an integer number (745693).

Almost surely, 2^7140125 is an apocalyptic number.

It is an amenable number.

7140125 is a deficient number, since it is larger than the sum of its proper divisors (1808191).

7140125 is an frugal number, since it uses more digits than its factorization.

7140125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 7140125 is about 2672.1012331122. The cubic root of 7140125 is about 192.5611207500.

Multiplying 7140125 by its sum of digits (20), we get a square (142802500 = 11950²).

The spelling of 7140125 in words is "seven million, one hundred forty thousand, one hundred twenty-five".