125520023734272 has 192 divisors, whose sum is σ = 373874668876800. Its totient is φ = 41608844328960.

The previous prime is 125520023734169. The next prime is 125520023734289. The reversal of 125520023734272 is 272437320025521.

It is a happy number.

125520023734272 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 2 + 0 + 0 + 2 + 373 + 4 + 272 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3737953 + ... + 16279199.

It is an arithmetic number, because the mean of its divisors is an integer number (1947263900400).

Almost surely, 2^{125520023734272} is an apocalyptic number.

125520023734272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125520023734272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186937334438400).

125520023734272 is an abundant number, since it is smaller than the sum of its proper divisors (248354645142528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125520023734272 is a wasteful number, since it uses less digits than its factorization.

125520023734272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12541459 (or 12541433 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

Adding to 125520023734272 its reverse (272437320025521), we get a palindrome (397957343759793).

The spelling of 125520023734272 in words is "one hundred twenty-five trillion, five hundred twenty billion, twenty-three million, seven hundred thirty-four thousand, two hundred seventy-two".