1071442 has 8 divisors (see below), whose sum is σ = 1701756. Its totient is φ = 504192.

The previous prime is 1071439. The next prime is 1071443. The reversal of 1071442 is 2441701.

It can be written as a sum of positive squares in 2 ways, for example, as 1018081 + 53361 = 1009^2 + 231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1071442² = 2295975918728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15723 + ... + 15790.

2^1071442 is an apocalyptic number.

1071442 is a deficient number, since it is larger than the sum of its proper divisors (630314).

1071442 is a wasteful number, since it uses less digits than its factorization.

1071442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31532.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1071442 is about 1035.1048256095. The cubic root of 1071442 is about 102.3268383046.

The spelling of 1071442 in words is "one million, seventy-one thousand, four hundred forty-two".