1010042042 has 8 divisors (see below), whose sum is σ = 1515198036. Its totient is φ = 504976032.

The previous prime is 1010042017. The next prime is 1010042057. The reversal of 1010042042 is 2402400101.

It can be written as a sum of positive squares in 2 ways, for example, as 1002418921 + 7623121 = 31661^2 + 2761^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 31238 + ... + 54734.

Almost surely, 2^1010042042 is an apocalyptic number.

1010042042 is a deficient number, since it is larger than the sum of its proper divisors (505155994).

1010042042 is a wasteful number, since it uses less digits than its factorization.

1010042042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44992.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1010042042 is about 31781.1586006552. The cubic root of 1010042042 is about 1003.3362046940.

Adding to 1010042042 its reverse (2402400101), we get a palindrome (3412442143).

The spelling of 1010042042 in words is "one billion, ten million, forty-two thousand, forty-two".