842126374 has 4 divisors (see below), whose sum is σ = 1263189564. Its totient is φ = 421063186.

The previous prime is 842126359. The next prime is 842126387. The reversal of 842126374 is 473621248.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210531592 + ... + 210531595.

It is an arithmetic number, because the mean of its divisors is an integer number (315797391).

Almost surely, 2^842126374 is an apocalyptic number.

842126374 is a deficient number, since it is larger than the sum of its proper divisors (421063190).

842126374 is a wasteful number, since it uses less digits than its factorization.

842126374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421063189.

The product of its digits is 64512, while the sum is 37.

The square root of 842126374 is about 29019.4137432168. The cubic root of 842126374 is about 944.3342824969.

The spelling of 842126374 in words is "eight hundred forty-two million, one hundred twenty-six thousand, three hundred seventy-four".