1002111042 has 16 divisors (see below), whose sum is σ = 2010670272. Its totient is φ = 332962320.

The previous prime is 1002111031. The next prime is 1002111043. The reversal of 1002111042 is 2401112001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1002111043) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 266653 + ... + 270384.

It is an arithmetic number, because the mean of its divisors is an integer number (125666892).

Almost surely, 2^1002111042 is an apocalyptic number.

1002111042 is an abundant number, since it is smaller than the sum of its proper divisors (1008559230).

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

1002111042 is a wasteful number, since it uses less digits than its factorization.

1002111042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537353.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1002111042 is about 31656.1375091782. The cubic root of 1002111042 is about 1000.7031860801.

Adding to 1002111042 its reverse (2401112001), we get a palindrome (3403223043).

The spelling of 1002111042 in words is "one billion, two million, one hundred eleven thousand, forty-two".