125427015 has 96 divisors (see below), whose sum is σ = 264188160. Its totient is φ = 56282688.

The previous prime is 125427011. The next prime is 125427017. The reversal of 125427015 is 510724521.

It is not a de Polignac number, because 125427015 - 2² = 125427011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 125427015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125427011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 443064 + ... + 443346.

It is an arithmetic number, because the mean of its divisors is an integer number (2751960).

Almost surely, 2^125427015 is an apocalyptic number.

125427015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125427015 is an abundant number, since it is smaller than the sum of its proper divisors (138761145).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125427015 is a wasteful number, since it uses less digits than its factorization.

125427015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 125427015 is about 11199.4202974975. The cubic root of 125427015 is about 500.5687062345.

The spelling of 125427015 in words is "one hundred twenty-five million, four hundred twenty-seven thousand, fifteen".