1052421042 has 16 divisors (see below), whose sum is σ = 2108888352. Its totient is φ = 350132640.

The previous prime is 1052421037. The next prime is 1052421043. The reversal of 1052421042 is 2401242501.

It is a super-2 number, since 2×1052421042² = 2215180099288731528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052421043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165208 + ... + 171459.

It is an arithmetic number, because the mean of its divisors is an integer number (131805522).

Almost surely, 2^1052421042 is an apocalyptic number.

1052421042 is an abundant number, since it is smaller than the sum of its proper divisors (1056467310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052421042 is a wasteful number, since it uses less digits than its factorization.

1052421042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337193.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1052421042 is about 32441.0394716322. The cubic root of 1052421042 is about 1017.1769439265.

Adding to 1052421042 its reverse (2401242501), we get a palindrome (3453663543).

The spelling of 1052421042 in words is "one billion, fifty-two million, four hundred twenty-one thousand, forty-two".