125014145 has 4 divisors (see below), whose sum is σ = 150016980. Its totient is φ = 100011312.

The previous prime is 125014139. The next prime is 125014147. The reversal of 125014145 is 541410521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541410521 = 109 ⋅4967069.

It can be written as a sum of positive squares in 2 ways, for example, as 52287361 + 72726784 = 7231^2 + 8528^2 .

It is a cyclic number.

It is not a de Polignac number, because 125014145 - 2⁶ = 125014081 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 125014145.

It is not an unprimeable number, because it can be changed into a prime (125014147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12501410 + ... + 12501419.

It is an arithmetic number, because the mean of its divisors is an integer number (37504245).

Almost surely, 2^125014145 is an apocalyptic number.

It is an amenable number.

125014145 is a deficient number, since it is larger than the sum of its proper divisors (25002835).

125014145 is an equidigital number, since it uses as much as digits as its factorization.

125014145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25002834.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 125014145 is about 11180.9724532350. The cubic root of 125014145 is about 500.0188592886.

Adding to 125014145 its reverse (541410521), we get a palindrome (666424666).

The spelling of 125014145 in words is "one hundred twenty-five million, fourteen thousand, one hundred forty-five".