30001042 has 4 divisors (see below), whose sum is σ = 45001566. Its totient is φ = 15000520.

The previous prime is 30001031. The next prime is 30001063. The reversal of 30001042 is 24010003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27657081 + 2343961 = 5259^2 + 1531^2 .

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 as a sum of consecutive naturals, namely, 7500259 + ... + 7500262.

Almost surely, 2^30001042 is an apocalyptic number.

30001042 is a deficient number, since it is larger than the sum of its proper divisors (15000524).

30001042 is a wasteful number, since it uses less digits than its factorization.

30001042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15000523.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 30001042 is about 5477.3206953765. The cubic root of 30001042 is about 310.7268480385.

Adding to 30001042 its reverse (24010003), we get a palindrome (54011045).

The spelling of 30001042 in words is "thirty million, one thousand, forty-two".