1071730 has 16 divisors (see below), whose sum is σ = 2104704. Its totient is φ = 389680.

The previous prime is 1071703. The next prime is 1071739. The reversal of 1071730 is 371701.

It is a happy number.

It is a super-2 number, since 2×1071730² = 2297210385800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071698 and 1071707.

It is not an unprimeable number, because it can be changed into a prime (1071739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4762 + ... + 4981.

It is an arithmetic number, because the mean of its divisors is an integer number (131544).

2^1071730 is an apocalyptic number.

1071730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1071730 is a deficient number, since it is larger than the sum of its proper divisors (1032974).

1071730 is a wasteful number, since it uses less digits than its factorization.

1071730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9761.

The product of its (nonzero) digits is 147, while the sum is 19.

The square root of 1071730 is about 1035.2439326072. The cubic root of 1071730 is about 102.3360058530.

The spelling of 1071730 in words is "one million, seventy-one thousand, seven hundred thirty".