1071772 has 12 divisors (see below), whose sum is σ = 2019976. Its totient is φ = 494640.

The previous prime is 1071761. The next prime is 1071773. The reversal of 1071772 is 2771701.

It is a super-2 number, since 2×1071772² = 2297390439968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071773) 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, 10254 + ... + 10357.

2^1071772 is an apocalyptic number.

It is an amenable number.

1071772 is a deficient number, since it is larger than the sum of its proper divisors (948204).

1071772 is a wasteful number, since it uses less digits than its factorization.

1071772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20628 (or 20626 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 25.

The square root of 1071772 is about 1035.2642174827. The cubic root of 1071772 is about 102.3373426500.

The spelling of 1071772 in words is "one million, seventy-one thousand, seven hundred seventy-two".