1071939 has 12 divisors (see below), whose sum is σ = 1571528. Its totient is φ = 649440.

The previous prime is 1071937. The next prime is 1071943. The reversal of 1071939 is 9391701.

It is not a de Polignac number, because 1071939 - 2¹ = 1071937 is a prime.

It is a super-2 number, since 2×1071939² = 2298106439442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1114 + ... + 1839.

2^1071939 is an apocalyptic number.

1071939 is a deficient number, since it is larger than the sum of its proper divisors (499589).

1071939 is a wasteful number, since it uses less digits than its factorization.

1071939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 1071939 is about 1035.3448700795. The cubic root of 1071939 is about 102.3426576637.

The spelling of 1071939 in words is "one million, seventy-one thousand, nine hundred thirty-nine".