125254020642 has 8 divisors (see below), whose sum is σ = 250508041296. Its totient is φ = 41751340212.

The previous prime is 125254020631. The next prime is 125254020709. The reversal of 125254020642 is 246020452521.

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

125254020642 is an admirable number.

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, 10437835048 + ... + 10437835059.

It is an arithmetic number, because the mean of its divisors is an integer number (31313505162).

Almost surely, 2^125254020642 is an apocalyptic number.

125254020642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125254020642 is a wasteful number, since it uses less digits than its factorization.

125254020642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20875670112.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 125254020642 in words is "one hundred twenty-five billion, two hundred fifty-four million, twenty thousand, six hundred forty-two".