1047610989 has 20 divisors (see below), whose sum is σ = 1566513916. Its totient is φ = 697709376.

The previous prime is 1047610987. The next prime is 1047611003. The reversal of 1047610989 is 9890167401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1013912964 + 33698025 = 31842^2 + 5805^2 .

It is not a de Polignac number, because 1047610989 - 2¹ = 1047610987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047610987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 82617 + ... + 94449.

Almost surely, 2^1047610989 is an apocalyptic number.

It is an amenable number.

1047610989 is a deficient number, since it is larger than the sum of its proper divisors (518902927).

1047610989 is a wasteful number, since it uses less digits than its factorization.

1047610989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12938 (or 12929 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1047610989 is about 32366.8192598531. The cubic root of 1047610989 is about 1015.6249199956.

The spelling of 1047610989 in words is "one billion, forty-seven million, six hundred ten thousand, nine hundred eighty-nine".