1059439442 has 4 divisors (see below), whose sum is σ = 1589159166. Its totient is φ = 529719720.

The previous prime is 1059439441. The next prime is 1059439457. The reversal of 1059439442 is 2449349501.

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., 1020738601 + 38700841 = 31949^2 + 6221^2 .

It is a super-2 number, since 2×1059439442² = 2244823862530542728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1059439442.

It is not an unprimeable number, because it can be changed into a prime (1059439441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264859859 + ... + 264859862.

Almost surely, 2^1059439442 is an apocalyptic number.

1059439442 is a deficient number, since it is larger than the sum of its proper divisors (529719724).

1059439442 is an equidigital number, since it uses as much as digits as its factorization.

1059439442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529719723.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 1059439442 is about 32549.0313527146. The cubic root of 1059439442 is about 1019.4330573577.

The spelling of 1059439442 in words is "one billion, fifty-nine million, four hundred thirty-nine thousand, four hundred forty-two".