125765122501 has 8 divisors (see below), whose sum is σ = 126241089920. Its totient is φ = 125289313488.

The previous prime is 125765122499. The next prime is 125765122517. The reversal of 125765122501 is 105221567521.

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

It is a cyclic number.

It is not a de Polignac number, because 125765122501 - 2¹ = 125765122499 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 (125765122541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694080 + ... + 1766758.

It is an arithmetic number, because the mean of its divisors is an integer number (15780136240).

Almost surely, 2^125765122501 is an apocalyptic number.

It is an amenable number.

125765122501 is a deficient number, since it is larger than the sum of its proper divisors (475967419).

125765122501 is an equidigital number, since it uses as much as digits as its factorization.

125765122501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79203.

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 125765122501 in words is "one hundred twenty-five billion, seven hundred sixty-five million, one hundred twenty-two thousand, five hundred one".