125501248867 has 2 divisors, whose sum is σ = 125501248868. Its totient is φ = 125501248866.

The previous prime is 125501248843. The next prime is 125501248877. The reversal of 125501248867 is 768842105521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125501248867 is a prime.

It is a super-3 number, since 3×125501248867³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125501248867.

It is not a weakly prime, because it can be changed into another prime (125501248877) 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 as a sum of consecutive naturals, namely, 62750624433 + 62750624434.

It is an arithmetic number, because the mean of its divisors is an integer number (62750624434).

Almost surely, 2^125501248867 is an apocalyptic number.

125501248867 is a deficient number, since it is larger than the sum of its proper divisors (1).

125501248867 is an equidigital number, since it uses as much as digits as its factorization.

125501248867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 125501248867 in words is "one hundred twenty-five billion, five hundred one million, two hundred forty-eight thousand, eight hundred sixty-seven".