7125655 has 8 divisors (see below), whose sum is σ = 8572752. Its totient is φ = 5685888.

The previous prime is 7125649. The next prime is 7125661. The reversal of 7125655 is 5565217.

It is an interprime number because it is at equal distance from previous prime (7125649) and next prime (7125661).

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 7125655 - 2⁷ = 7125527 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607 + ... + 3823.

It is an arithmetic number, because the mean of its divisors is an integer number (1071594).

Almost surely, 2^7125655 is an apocalyptic number.

7125655 is a deficient number, since it is larger than the sum of its proper divisors (1447097).

7125655 is a wasteful number, since it uses less digits than its factorization.

7125655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665.

The product of its digits is 10500, while the sum is 31.

The square root of 7125655 is about 2669.3922529295. The cubic root of 7125655 is about 192.4309529171.

The spelling of 7125655 in words is "seven million, one hundred twenty-five thousand, six hundred fifty-five".