1912000042 has 8 divisors (see below), whose sum is σ = 2868305796. Its totient is φ = 955898112.

The previous prime is 1912000003. The next prime is 1912000063. The reversal of 1912000042 is 2400002191.

It can be written as a sum of positive squares in 2 ways, for example, as 1866153601 + 45846441 = 43199^2 + 6771^2 .

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

It is a pancake number, because a pancake can be divided into 1912000042 parts by 61838 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 1911999983 and 1912000019.

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, 24823 + ... + 66634.

Almost surely, 2^1912000042 is an apocalyptic number.

1912000042 is a deficient number, since it is larger than the sum of its proper divisors (956305754).

1912000042 is a wasteful number, since it uses less digits than its factorization.

1912000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101912.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1912000042 is about 43726.4226984097. The cubic root of 1912000042 is about 1241.1643680672.

The spelling of 1912000042 in words is "one billion, nine hundred twelve million, forty-two", and thus it is an aban number.