125466521602 has 8 divisors (see below), whose sum is σ = 190777861836. Its totient is φ = 61873900992.

The previous prime is 125466521599. The next prime is 125466521639. The reversal of 125466521602 is 206125664521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123123090321 + 2343431281 = 350889^2 + 48409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429679723 + ... + 429680014.

Almost surely, 2^125466521602 is an apocalyptic number.

125466521602 is a deficient number, since it is larger than the sum of its proper divisors (65311340234).

125466521602 is an equidigital number, since it uses as much as digits as its factorization.

125466521602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859359812.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 125466521602 in words is "one hundred twenty-five billion, four hundred sixty-six million, five hundred twenty-one thousand, six hundred two".