125418129394 has 8 divisors (see below), whose sum is σ = 188129245788. Its totient is φ = 62708380800.

The previous prime is 125418129377. The next prime is 125418129437. The reversal of 125418129394 is 493921814521.

It can be written as a sum of positive squares in 2 ways, for example, as 124971441169 + 446688225 = 353513^2 + 21135^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 69207 + ... + 505594.

Almost surely, 2^125418129394 is an apocalyptic number.

125418129394 is a deficient number, since it is larger than the sum of its proper divisors (62711116394).

125418129394 is a wasteful number, since it uses less digits than its factorization.

125418129394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683900.

The product of its digits is 622080, while the sum is 49.

The spelling of 125418129394 in words is "one hundred twenty-five billion, four hundred eighteen million, one hundred twenty-nine thousand, three hundred ninety-four".