1000102042 has 8 divisors (see below), whose sum is σ = 1505492532. Its totient is φ = 498271200.

The previous prime is 1000102039. The next prime is 1000102057. The reversal of 1000102042 is 2402010001.

It can be written as a sum of positive squares in 2 ways, for example, as 982132921 + 17969121 = 31339^2 + 4239^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889209 + ... + 890332.

Almost surely, 2^1000102042 is an apocalyptic number.

1000102042 is a deficient number, since it is larger than the sum of its proper divisors (505390490).

1000102042 is a wasteful number, since it uses less digits than its factorization.

1000102042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779824.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1000102042 is about 31624.3899862116. The cubic root of 1000102042 is about 1000.0340128431.

Adding to 1000102042 its reverse (2402010001), we get a palindrome (3402112043).

The spelling of 1000102042 in words is "one billion, one hundred two thousand, forty-two".