125560101 has 4 divisors (see below), whose sum is σ = 167413472. Its totient is φ = 83706732.

The previous prime is 125560091. The next prime is 125560109. The reversal of 125560101 is 101065521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101065521 = 3 ⋅33688507.

It is not a de Polignac number, because 125560101 - 2¹⁵ = 125527333 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 (125560109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20926681 + ... + 20926686.

It is an arithmetic number, because the mean of its divisors is an integer number (41853368).

Almost surely, 2^125560101 is an apocalyptic number.

It is an amenable number.

125560101 is a deficient number, since it is larger than the sum of its proper divisors (41853371).

125560101 is an equidigital number, since it uses as much as digits as its factorization.

125560101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41853370.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 125560101 is about 11205.3603690377. The cubic root of 125560101 is about 500.7456886773.

The spelling of 125560101 in words is "one hundred twenty-five million, five hundred sixty thousand, one hundred one".