7126545 has 8 divisors (see below), whose sum is σ = 11402496. Its totient is φ = 3800816.

The previous prime is 7126543. The next prime is 7126549. The reversal of 7126545 is 5456217.

7126545 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 7126545 - 2¹ = 7126543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7126543) 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, 237537 + ... + 237566.

It is an arithmetic number, because the mean of its divisors is an integer number (1425312).

Almost surely, 2^7126545 is an apocalyptic number.

It is an amenable number.

7126545 is a deficient number, since it is larger than the sum of its proper divisors (4275951).

7126545 is a wasteful number, since it uses less digits than its factorization.

7126545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475111.

The product of its digits is 8400, while the sum is 30.

The square root of 7126545 is about 2669.5589523365. The cubic root of 7126545 is about 192.4389641768.

The spelling of 7126545 in words is "seven million, one hundred twenty-six thousand, five hundred forty-five".