125200154501 has 4 divisors (see below), whose sum is σ = 126606897900. Its totient is φ = 123793411104.

The previous prime is 125200154477. The next prime is 125200154567. The reversal of 125200154501 is 105451002521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27825576100 + 97374578401 = 166810^2 + 312049^2 .

It is a cyclic number.

It is not a de Polignac number, because 125200154501 - 2¹⁸ = 125199892357 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 (125200174501) 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, 703371566 + ... + 703371743.

It is an arithmetic number, because the mean of its divisors is an integer number (31651724475).

Almost surely, 2^125200154501 is an apocalyptic number.

It is an amenable number.

125200154501 is a deficient number, since it is larger than the sum of its proper divisors (1406743399).

125200154501 is an equidigital number, since it uses as much as digits as its factorization.

125200154501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406743398.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 125200154501 in words is "one hundred twenty-five billion, two hundred million, one hundred fifty-four thousand, five hundred one".