7125671 has 4 divisors (see below), whose sum is σ = 8143632. Its totient is φ = 6107712.

The previous prime is 7125661. The next prime is 7125673. The reversal of 7125671 is 1765217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1765217 = 1297 ⋅1361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7125671 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508970 + ... + 508983.

It is an arithmetic number, because the mean of its divisors is an integer number (2035908).

Almost surely, 2^7125671 is an apocalyptic number.

7125671 is a deficient number, since it is larger than the sum of its proper divisors (1017961).

7125671 is a wasteful number, since it uses less digits than its factorization.

7125671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017960.

The product of its digits is 2940, while the sum is 29.

The square root of 7125671 is about 2669.3952498647. The cubic root of 7125671 is about 192.4310969456.

The spelling of 7125671 in words is "seven million, one hundred twenty-five thousand, six hundred seventy-one".