125608329922 has 4 divisors (see below), whose sum is σ = 188412494886. Its totient is φ = 62804164960.

The previous prime is 125608329907. The next prime is 125608329929. The reversal of 125608329922 is 229923806521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229923806521 = 37 ⋅6214156933.

It can be written as a sum of positive squares in only one way, i.e., 75279445641 + 50328884281 = 274371^2 + 224341^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (125608329929) 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 as a sum of consecutive naturals, namely, 31402082479 + ... + 31402082482.

Almost surely, 2^125608329922 is an apocalyptic number.

125608329922 is a deficient number, since it is larger than the sum of its proper divisors (62804164964).

125608329922 is an equidigital number, since it uses as much as digits as its factorization.

125608329922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62804164963.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 125608329922 in words is "one hundred twenty-five billion, six hundred eight million, three hundred twenty-nine thousand, nine hundred twenty-two".