125074221537 has 8 divisors (see below), whose sum is σ = 167061839904. Its totient is φ = 83234708768.

The previous prime is 125074221527. The next prime is 125074221581. The reversal of 125074221537 is 735122470521.

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 125074221537 - 2¹² = 125074217441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125074221495 and 125074221504.

It is not an unprimeable number, because it can be changed into a prime (125074221527) 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, 37024428 + ... + 37027805.

It is an arithmetic number, because the mean of its divisors is an integer number (20882729988).

Almost surely, 2^125074221537 is an apocalyptic number.

It is an amenable number.

125074221537 is a deficient number, since it is larger than the sum of its proper divisors (41987618367).

125074221537 is an equidigital number, since it uses as much as digits as its factorization.

125074221537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74052799.

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 125074221537 in words is "one hundred twenty-five billion, seventy-four million, two hundred twenty-one thousand, five hundred thirty-seven".