1033420042 has 4 divisors (see below), whose sum is σ = 1550130066. Its totient is φ = 516710020.

The previous prime is 1033420033. The next prime is 1033420049. The reversal of 1033420042 is 2400243301.

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., 527574961 + 505845081 = 22969^2 + 22491^2 .

It is not an unprimeable number, because it can be changed into a prime (1033420049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258355009 + ... + 258355012.

Almost surely, 2^1033420042 is an apocalyptic number.

1033420042 is a deficient number, since it is larger than the sum of its proper divisors (516710024).

1033420042 is an equidigital number, since it uses as much as digits as its factorization.

1033420042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516710023.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1033420042 is about 32146.8511988344. The cubic root of 1033420042 is about 1011.0181681030.

Adding to 1033420042 its reverse (2400243301), we get a palindrome (3433663343).

The spelling of 1033420042 in words is "one billion, thirty-three million, four hundred twenty thousand, forty-two".