125920147 has 4 divisors (see below), whose sum is σ = 131394960. Its totient is φ = 120445336.

The previous prime is 125920141. The next prime is 125920153. The reversal of 125920147 is 741029521.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (125920141) and next prime (125920153).

It is a cyclic number.

It is not a de Polignac number, because 125920147 - 2¹⁵ = 125887379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125920141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2737372 + ... + 2737417.

It is an arithmetic number, because the mean of its divisors is an integer number (32848740).

Almost surely, 2^125920147 is an apocalyptic number.

125920147 is a deficient number, since it is larger than the sum of its proper divisors (5474813).

125920147 is an equidigital number, since it uses as much as digits as its factorization.

125920147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474812.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 125920147 is about 11221.4146612626. The cubic root of 125920147 is about 501.2238645337.

Adding to 125920147 its reverse (741029521), we get a palindrome (866949668).

The spelling of 125920147 in words is "one hundred twenty-five million, nine hundred twenty thousand, one hundred forty-seven".