125121121513153 has 8 divisors (see below), whose sum is σ = 125291473961472. Its totient is φ = 124950870621456.

The previous prime is 125121121513121. The next prime is 125121121513159. The reversal of 125121121513153 is 351315121121521.

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 125121121513153 - 2⁵ = 125121121513121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125121121513159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22923250 + ... + 27851707.

It is an arithmetic number, because the mean of its divisors is an integer number (15661434245184).

Almost surely, 2^{125121121513153} is an apocalyptic number.

It is an amenable number.

125121121513153 is a deficient number, since it is larger than the sum of its proper divisors (170352448319).

125121121513153 is a wasteful number, since it uses less digits than its factorization.

125121121513153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50778311.

The product of its digits is 9000, while the sum is 34.

Adding to 125121121513153 its reverse (351315121121521), we get a palindrome (476436242634674).

The spelling of 125121121513153 in words is "one hundred twenty-five trillion, one hundred twenty-one billion, one hundred twenty-one million, five hundred thirteen thousand, one hundred fifty-three".