1129980489 has 8 divisors (see below), whose sum is σ = 1643608032. Its totient is φ = 684836640.

The previous prime is 1129980487. The next prime is 1129980491. The reversal of 1129980489 is 9840899211.

It is an interprime number because it is at equal distance from previous prime (1129980487) and next prime (1129980491).

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

It is not a de Polignac number, because 1129980489 - 2¹ = 1129980487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1129980487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17120884 + ... + 17120949.

It is an arithmetic number, because the mean of its divisors is an integer number (205451004).

Almost surely, 2^1129980489 is an apocalyptic number.

It is an amenable number.

1129980489 is a deficient number, since it is larger than the sum of its proper divisors (513627543).

1129980489 is a wasteful number, since it uses less digits than its factorization.

1129980489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34241847.

The product of its (nonzero) digits is 373248, while the sum is 51.

The square root of 1129980489 is about 33615.1824180682. The cubic root of 1129980489 is about 1041.5744425004.

The spelling of 1129980489 in words is "one billion, one hundred twenty-nine million, nine hundred eighty thousand, four hundred eighty-nine".