7125127 has 4 divisors (see below), whose sum is σ = 7317736. Its totient is φ = 6932520.

The previous prime is 7125121. The next prime is 7125169. The reversal of 7125127 is 7215217.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7125127 is a prime.

It is a super-2 number, since 2×7125127² = 101534869532258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125121) 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, 96249 + ... + 96322.

It is an arithmetic number, because the mean of its divisors is an integer number (1829434).

Almost surely, 2^7125127 is an apocalyptic number.

7125127 is a deficient number, since it is larger than the sum of its proper divisors (192609).

7125127 is a wasteful number, since it uses less digits than its factorization.

7125127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192608.

The product of its digits is 980, while the sum is 25.

The square root of 7125127 is about 2669.2933521814. The cubic root of 7125127 is about 192.4261998545.

The spelling of 7125127 in words is "seven million, one hundred twenty-five thousand, one hundred twenty-seven".