7125455 has 4 divisors (see below), whose sum is σ = 8550552. Its totient is φ = 5700360.

The previous prime is 7125421. The next prime is 7125463. The reversal of 7125455 is 5545217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5545217 = 1901 ⋅2917.

It is not a de Polignac number, because 7125455 - 2⁸ = 7125199 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 3 ways as a sum of consecutive naturals, for example, 712541 + ... + 712550.

It is an arithmetic number, because the mean of its divisors is an integer number (2137638).

Almost surely, 2^7125455 is an apocalyptic number.

7125455 is a deficient number, since it is larger than the sum of its proper divisors (1425097).

7125455 is a wasteful number, since it uses less digits than its factorization.

7125455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425096.

The product of its digits is 7000, while the sum is 29.

The square root of 7125455 is about 2669.3547909560. The cubic root of 7125455 is about 192.4291525422.

The spelling of 7125455 in words is "seven million, one hundred twenty-five thousand, four hundred fifty-five".