125344555 has 32 divisors (see below), whose sum is σ = 175325184. Its totient is φ = 84260736.

The previous prime is 125344543. The next prime is 125344559. The reversal of 125344555 is 555443521.

It is not a de Polignac number, because 125344555 - 2¹⁵ = 125311787 is a prime.

It is a super-4 number, since 4×125344555⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125344555.

It is not an unprimeable number, because it can be changed into a prime (125344559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724449 + ... + 724621.

It is an arithmetic number, because the mean of its divisors is an integer number (5478912).

Almost surely, 2^125344555 is an apocalyptic number.

125344555 is a deficient number, since it is larger than the sum of its proper divisors (49980629).

125344555 is a wasteful number, since it uses less digits than its factorization.

125344555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475.

The product of its digits is 60000, while the sum is 34.

The square root of 125344555 is about 11195.7382516742. The cubic root of 125344555 is about 500.4589852029.

The spelling of 125344555 in words is "one hundred twenty-five million, three hundred forty-four thousand, five hundred fifty-five".