1001879942 has 16 divisors (see below), whose sum is σ = 1736808480. Its totient is φ = 424552128.

The previous prime is 1001879941. The next prime is 1001879953. The reversal of 1001879942 is 2499781001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001879942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001879941) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 400793 + ... + 403284.

It is an arithmetic number, because the mean of its divisors is an integer number (108550530).

Almost surely, 2^1001879942 is an apocalyptic number.

1001879942 is a deficient number, since it is larger than the sum of its proper divisors (734928538).

1001879942 is an equidigital number, since it uses as much as digits as its factorization.

1001879942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804175.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 1001879942 is about 31652.4871376642. The cubic root of 1001879942 is about 1000.6262550561.

The spelling of 1001879942 in words is "one billion, one million, eight hundred seventy-nine thousand, nine hundred forty-two".