125619727369 has 8 divisors (see below), whose sum is σ = 125816544000. Its totient is φ = 125422967472.

The previous prime is 125619727307. The next prime is 125619727399. The reversal of 125619727369 is 963727916521.

It is a happy number.

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 125619727369 - 2¹⁹ = 125619203081 is a prime.

It is a super-2 number, since 2×125619727369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125619727399) 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 7 ways as a sum of consecutive naturals, for example, 7137222 + ... + 7154800.

It is an arithmetic number, because the mean of its divisors is an integer number (15727068000).

Almost surely, 2^125619727369 is an apocalyptic number.

It is an amenable number.

125619727369 is a deficient number, since it is larger than the sum of its proper divisors (196816631).

125619727369 is a wasteful number, since it uses less digits than its factorization.

125619727369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28367.

The product of its digits is 8573040, while the sum is 58.

The spelling of 125619727369 in words is "one hundred twenty-five billion, six hundred nineteen million, seven hundred twenty-seven thousand, three hundred sixty-nine".