1001355042 has 16 divisors (see below), whose sum is σ = 2009548800. Its totient is φ = 332645232.

The previous prime is 1001355041. The next prime is 1001355059. The reversal of 1001355042 is 2405531001.

It is not an unprimeable number, because it can be changed into a prime (1001355041) 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, 283042 + ... + 286557.

It is an arithmetic number, because the mean of its divisors is an integer number (125596800).

Almost surely, 2^1001355042 is an apocalyptic number.

1001355042 is an abundant number, since it is smaller than the sum of its proper divisors (1008193758).

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

1001355042 is a wasteful number, since it uses less digits than its factorization.

1001355042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569897.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1001355042 is about 31644.1944438470. The cubic root of 1001355042 is about 1000.4514768047.

Adding to 1001355042 its reverse (2405531001), we get a palindrome (3406886043).

The spelling of 1001355042 in words is "one billion, one million, three hundred fifty-five thousand, forty-two".