125032145 has 16 divisors (see below), whose sum is σ = 177005568. Its totient is φ = 82969920.

The previous prime is 125032123. The next prime is 125032147. The reversal of 125032145 is 541230521.

It is not a de Polignac number, because 125032145 - 2¹⁰ = 125031121 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125032145.

It is not an unprimeable number, because it can be changed into a prime (125032147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56534 + ... + 58703.

It is an arithmetic number, because the mean of its divisors is an integer number (11062848).

Almost surely, 2^125032145 is an apocalyptic number.

It is an amenable number.

125032145 is a deficient number, since it is larger than the sum of its proper divisors (51973423).

125032145 is a wasteful number, since it uses less digits than its factorization.

125032145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115280.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 125032145 is about 11181.7773631923. Note that the first 3 decimals coincide. The cubic root of 125032145 is about 500.0428563266.

Adding to 125032145 its reverse (541230521), we get a palindrome (666262666).

The spelling of 125032145 in words is "one hundred twenty-five million, thirty-two thousand, one hundred forty-five".