125552015 has 8 divisors (see below), whose sum is σ = 155522688. Its totient is φ = 97201440.

The previous prime is 125552003. The next prime is 125552017. The reversal of 125552015 is 510255521.

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

It is not a de Polignac number, because 125552015 - 2⁴ = 125551999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125552017) 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, 404852 + ... + 405161.

It is an arithmetic number, because the mean of its divisors is an integer number (19440336).

Almost surely, 2^125552015 is an apocalyptic number.

125552015 is a deficient number, since it is larger than the sum of its proper divisors (29970673).

125552015 is an equidigital number, since it uses as much as digits as its factorization.

125552015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810049.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 125552015 is about 11204.9995537706. Note that the first 3 decimals coincide. The cubic root of 125552015 is about 500.7349391995.

The spelling of 125552015 in words is "one hundred twenty-five million, five hundred fifty-two thousand, fifteen".