125422563502 has 4 divisors (see below), whose sum is σ = 188133845256. Its totient is φ = 62711281750.

The previous prime is 125422563491. The next prime is 125422563521. The reversal of 125422563502 is 205365224521.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 31355640874 + ... + 31355640877.

It is an arithmetic number, because the mean of its divisors is an integer number (47033461314).

Almost surely, 2^125422563502 is an apocalyptic number.

125422563502 is a deficient number, since it is larger than the sum of its proper divisors (62711281754).

125422563502 is an equidigital number, since it uses as much as digits as its factorization.

125422563502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62711281753.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 125422563502 in words is "one hundred twenty-five billion, four hundred twenty-two million, five hundred sixty-three thousand, five hundred two".