125445420502 has 16 divisors (see below), whose sum is σ = 188553830400. Its totient is φ = 62594274600.

The previous prime is 125445420481. The next prime is 125445420521. The reversal of 125445420502 is 205024544521.

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 in 7 ways as a sum of consecutive naturals, for example, 1945699 + ... + 2009137.

It is an arithmetic number, because the mean of its divisors is an integer number (11784614400).

Almost surely, 2^125445420502 is an apocalyptic number.

125445420502 is a deficient number, since it is larger than the sum of its proper divisors (63108409898).

125445420502 is a wasteful number, since it uses less digits than its factorization.

125445420502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65451.

The product of its (nonzero) digits is 64000, while the sum is 34.

The spelling of 125445420502 in words is "one hundred twenty-five billion, four hundred forty-five million, four hundred twenty thousand, five hundred two".