125512755 has 8 divisors (see below), whose sum is σ = 200820432. Its totient is φ = 66940128.

The previous prime is 125512753. The next prime is 125512757. The reversal of 125512755 is 557215521.

It is an interprime number because it is at equal distance from previous prime (125512753) and next prime (125512757).

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

It is not a de Polignac number, because 125512755 - 2¹ = 125512753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125512753) 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, 4183744 + ... + 4183773.

It is an arithmetic number, because the mean of its divisors is an integer number (25102554).

Almost surely, 2^125512755 is an apocalyptic number.

125512755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125512755 is a deficient number, since it is larger than the sum of its proper divisors (75307677).

125512755 is an equidigital number, since it uses as much as digits as its factorization.

125512755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8367525.

The product of its digits is 17500, while the sum is 33.

The square root of 125512755 is about 11203.2475202505. The cubic root of 125512755 is about 500.6827406394.

The spelling of 125512755 in words is "one hundred twenty-five million, five hundred twelve thousand, seven hundred fifty-five".