125871609293 has 4 divisors (see below), whose sum is σ = 126336080448. Its totient is φ = 125407138140.

The previous prime is 125871609233. The next prime is 125871609307. The reversal of 125871609293 is 392906178521.

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 125871609293 - 2⁶ = 125871609229 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 (125871609223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232235171 + ... + 232235712.

It is an arithmetic number, because the mean of its divisors is an integer number (31584020112).

Almost surely, 2^125871609293 is an apocalyptic number.

It is an amenable number.

125871609293 is a deficient number, since it is larger than the sum of its proper divisors (464471155).

125871609293 is an equidigital number, since it uses as much as digits as its factorization.

125871609293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464471154.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 125871609293 in words is "one hundred twenty-five billion, eight hundred seventy-one million, six hundred nine thousand, two hundred ninety-three".