1012003442 has 4 divisors (see below), whose sum is σ = 1518005166. Its totient is φ = 506001720.

The previous prime is 1012003439. The next prime is 1012003493. The reversal of 1012003442 is 2443002101.

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., 548074921 + 463928521 = 23411^2 + 21539^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1012003442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253000859 + ... + 253000862.

Almost surely, 2^1012003442 is an apocalyptic number.

1012003442 is a deficient number, since it is larger than the sum of its proper divisors (506001724).

1012003442 is an equidigital number, since it uses as much as digits as its factorization.

1012003442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506001723.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1012003442 is about 31812.0015402992. The cubic root of 1012003442 is about 1003.9852440650.

Adding to 1012003442 its reverse (2443002101), we get a palindrome (3455005543).

The spelling of 1012003442 in words is "one billion, twelve million, three thousand, four hundred forty-two".