125053815 has 8 divisors (see below), whose sum is σ = 200086128. Its totient is φ = 66695360.

The previous prime is 125053781. The next prime is 125053849. The reversal of 125053815 is 518350521.

It is an interprime number because it is at equal distance from previous prime (125053781) and next prime (125053849).

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

It is not a de Polignac number, because 125053815 - 2⁸ = 125053559 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4168446 + ... + 4168475.

It is an arithmetic number, because the mean of its divisors is an integer number (25010766).

Almost surely, 2^125053815 is an apocalyptic number.

125053815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125053815 is a deficient number, since it is larger than the sum of its proper divisors (75032313).

125053815 is an equidigital number, since it uses as much as digits as its factorization.

125053815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8336929.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 125053815 is about 11182.7463084879. The cubic root of 125053815 is about 500.0717430387.

The spelling of 125053815 in words is "one hundred twenty-five million, fifty-three thousand, eight hundred fifteen".