1129539497 has 8 divisors (see below), whose sum is σ = 1150381440. Its totient is φ = 1108834720.

The previous prime is 1129539451. The next prime is 1129539503. The reversal of 1129539497 is 7949359211.

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 1129539497 - 2¹⁴ = 1129523113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1129539427) 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, 17597 + ... + 50682.

It is an arithmetic number, because the mean of its divisors is an integer number (143797680).

Almost surely, 2^1129539497 is an apocalyptic number.

It is an amenable number.

1129539497 is a deficient number, since it is larger than the sum of its proper divisors (20841943).

1129539497 is an equidigital number, since it uses as much as digits as its factorization.

1129539497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68583.

The product of its digits is 612360, while the sum is 50.

The square root of 1129539497 is about 33608.6223609359. The cubic root of 1129539497 is about 1041.4389281362.

The spelling of 1129539497 in words is "one billion, one hundred twenty-nine million, five hundred thirty-nine thousand, four hundred ninety-seven".