1071944949 has 8 divisors (see below), whose sum is σ = 1430068672. Its totient is φ = 714225600.

The previous prime is 1071944851. The next prime is 1071944989. The reversal of 1071944949 is 9494491701.

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

It is not a de Polignac number, because 1071944949 - 2⁷ = 1071944821 is a prime.

It is a super-2 number, since 2×1071944949² = 2298131947373225202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1071944898 and 1071944907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071944989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94852 + ... + 105549.

It is an arithmetic number, because the mean of its divisors is an integer number (178758584).

Almost surely, 2^1071944949 is an apocalyptic number.

It is an amenable number.

1071944949 is a deficient number, since it is larger than the sum of its proper divisors (358123723).

1071944949 is a wasteful number, since it uses less digits than its factorization.

1071944949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202187.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1071944949 is about 32740.5703829362. The cubic root of 1071944949 is about 1023.4284698894.

The spelling of 1071944949 in words is "one billion, seventy-one million, nine hundred forty-four thousand, nine hundred forty-nine".