1106471989 has 12 divisors (see below), whose sum is σ = 1290451500. Its totient is φ = 945950208.

The previous prime is 1106471987. The next prime is 1106471999. The reversal of 1106471989 is 9891746011.

It can be written as a sum of positive squares in 2 ways, for example, as 531671364 + 574800625 = 23058^2 + 23975^2 .

It is not a de Polignac number, because 1106471989 - 2¹ = 1106471987 is a prime.

It is a super-2 number, since 2×1106471989² = 2448560524883232242, 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 (1106471987) 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, 9964 + ... + 48085.

It is an arithmetic number, because the mean of its divisors is an integer number (107537625).

Almost surely, 2^1106471989 is an apocalyptic number.

It is an amenable number.

1106471989 is a deficient number, since it is larger than the sum of its proper divisors (183979511).

1106471989 is an equidigital number, since it uses as much as digits as its factorization.

1106471989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58452 (or 58445 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 46.

The square root of 1106471989 is about 33263.6737147297. The cubic root of 1106471989 is about 1034.3006747178.

The spelling of 1106471989 in words is "one billion, one hundred six million, four hundred seventy-one thousand, nine hundred eighty-nine".