7125559 has 8 divisors (see below), whose sum is σ = 8159648. Its totient is φ = 6095520.

The previous prime is 7125553. The next prime is 7125583. The reversal of 7125559 is 9555217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7125559 - 2⁵ = 7125527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6469 + ... + 7489.

It is an arithmetic number, because the mean of its divisors is an integer number (1019956).

Almost surely, 2^7125559 is an apocalyptic number.

7125559 is a deficient number, since it is larger than the sum of its proper divisors (1034089).

7125559 is a wasteful number, since it uses less digits than its factorization.

7125559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025.

The product of its digits is 15750, while the sum is 34.

The square root of 7125559 is about 2669.3742712479. The cubic root of 7125559 is about 192.4300887413.

The spelling of 7125559 in words is "seven million, one hundred twenty-five thousand, five hundred fifty-nine".