125098721749534 has 32 divisors (see below), whose sum is σ = 210134079933120. Its totient is φ = 55458066327552.

The previous prime is 125098721749531. The next prime is 125098721749543. The reversal of 125098721749534 is 435947127890521.

It is a self number, because there is not a number n which added to its sum of digits gives 125098721749534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125098721749531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429682002 + ... + 429973045.

It is an arithmetic number, because the mean of its divisors is an integer number (6566689997910).

Almost surely, 2^{125098721749534} is an apocalyptic number.

125098721749534 is a deficient number, since it is larger than the sum of its proper divisors (85035358183586).

125098721749534 is a wasteful number, since it uses less digits than its factorization.

125098721749534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859655284.

The product of its (nonzero) digits is 152409600, while the sum is 67.

The spelling of 125098721749534 in words is "one hundred twenty-five trillion, ninety-eight billion, seven hundred twenty-one million, seven hundred forty-nine thousand, five hundred thirty-four".