125151 has 8 divisors (see below), whose sum is σ = 179760. Its totient is φ = 76992.

The previous prime is 125149. The next prime is 125183. The reversal of 125151 is 151521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125151 - 2¹ = 125149 is a prime.

125151 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 125151.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125151.

It is not an unprimeable number, because it can be changed into a prime (125101) 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, 1566 + ... + 1643.

It is an arithmetic number, because the mean of its divisors is an integer number (22470).

2¹²⁵¹⁵¹ is an apocalyptic number.

125151 is a deficient number, since it is larger than the sum of its proper divisors (54609).

125151 is a wasteful number, since it uses less digits than its factorization.

125151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225.

The product of its digits is 50, while the sum is 15.

The square root of 125151 is about 353.7668723891. The cubic root of 125151 is about 50.0201252317.

Adding to 125151 its reverse (151521), we get a palindrome (276672).

It can be divided in two parts, 125 and 151, that added together give a triangular number (276 = T₂₃).

The spelling of 125151 in words is "one hundred twenty-five thousand, one hundred fifty-one".