1129580747 has 8 divisors (see below), whose sum is σ = 1133600832. Its totient is φ = 1125568000.

The previous prime is 1129580741. The next prime is 1129580779. The reversal of 1129580747 is 7470859211.

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

It is a cyclic number.

It is not a de Polignac number, because 1129580747 - 2⁴ = 1129580731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1129580698 and 1129580707.

It is not an unprimeable number, because it can be changed into a prime (1129580741) 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, 689213 + ... + 690849.

It is an arithmetic number, because the mean of its divisors is an integer number (141700104).

Almost surely, 2^1129580747 is an apocalyptic number.

1129580747 is a deficient number, since it is larger than the sum of its proper divisors (4020085).

1129580747 is a wasteful number, since it uses less digits than its factorization.

1129580747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 1129580747 is about 33609.2360371372. The cubic root of 1129580747 is about 1041.4516055247.

It can be divided in two parts, 112 and 9580747, that added together give a palindrome (9580859).

The spelling of 1129580747 in words is "one billion, one hundred twenty-nine million, five hundred eighty thousand, seven hundred forty-seven".