125240511067 has 4 divisors (see below), whose sum is σ = 143132012656. Its totient is φ = 107349009480.

The previous prime is 125240511031. The next prime is 125240511101. The reversal of 125240511067 is 760115042521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125240511067 - 2¹⁹ = 125239986779 is a prime.

It is a super-2 number, since 2×125240511067² (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 (125240511167) 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, 8945750784 + ... + 8945750797.

It is an arithmetic number, because the mean of its divisors is an integer number (35783003164).

Almost surely, 2^125240511067 is an apocalyptic number.

125240511067 is a deficient number, since it is larger than the sum of its proper divisors (17891501589).

125240511067 is an equidigital number, since it uses as much as digits as its factorization.

125240511067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17891501588.

The product of its (nonzero) digits is 16800, while the sum is 34.

Adding to 125240511067 its reverse (760115042521), we get a palindrome (885355553588).

The spelling of 125240511067 in words is "one hundred twenty-five billion, two hundred forty million, five hundred eleven thousand, sixty-seven".