1942728617124 has 27 divisors (see below), whose sum is σ = 4910807366283. Its totient is φ = 647573418072.

The previous prime is 1942728617021. The next prime is 1942728617143. The reversal of 1942728617124 is 4217168272491.

It is a happy number.

The square root of 1942728617124 is 1393818.

It is a perfect power (a square), and thus also a powerful number.

1942728617124 is a `hidden beast` number, since 1 + 9 + 4 + 2 + 7 + 2 + 8 + 617 + 12 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8246757 + ... + 8479059.

Almost surely, 2^{1942728617124} is an apocalyptic number.

1942728617124 is the 1393818-th square number.

It is an amenable number.

1942728617124 is an abundant number, since it is smaller than the sum of its proper divisors (2968078749159).

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

1942728617124 is an frugal number, since it uses more digits than its factorization.

1942728617124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464616 (or 232308 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The spelling of 1942728617124 in words is "one trillion, nine hundred forty-two billion, seven hundred twenty-eight million, six hundred seventeen thousand, one hundred twenty-four".