1071290 has 16 divisors (see below), whose sum is σ = 2103840. Its totient is φ = 389520.

The previous prime is 1071283. The next prime is 1071311. The reversal of 1071290 is 921701.

It is a super-2 number, since 2×1071290² = 2295324528200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4760 + ... + 4979.

It is an arithmetic number, because the mean of its divisors is an integer number (131490).

2^1071290 is an apocalyptic number.

1071290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1071290 is a deficient number, since it is larger than the sum of its proper divisors (1032550).

1071290 is a wasteful number, since it uses less digits than its factorization.

1071290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9757.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 1071290 is about 1035.0314004899. The cubic root of 1071290 is about 102.3219992139.

Adding to 1071290 its reverse (921701), we get a palindrome (1992991).

The spelling of 1071290 in words is "one million, seventy-one thousand, two hundred ninety".