125665141 has 4 divisors (see below), whose sum is σ = 143617312. Its totient is φ = 107712972.

The previous prime is 125665093. The next prime is 125665147. The reversal of 125665141 is 141566521.

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.

It is a cyclic number.

It is not a de Polignac number, because 125665141 - 2¹⁵ = 125632373 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 (125665147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8976075 + ... + 8976088.

It is an arithmetic number, because the mean of its divisors is an integer number (35904328).

Almost surely, 2^125665141 is an apocalyptic number.

It is an amenable number.

125665141 is a deficient number, since it is larger than the sum of its proper divisors (17952171).

125665141 is an equidigital number, since it uses as much as digits as its factorization.

125665141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17952170.

The product of its digits is 7200, while the sum is 31.

The square root of 125665141 is about 11210.0464316612. The cubic root of 125665141 is about 500.8852862780.

The spelling of 125665141 in words is "one hundred twenty-five million, six hundred sixty-five thousand, one hundred forty-one".