1129677485 has 8 divisors (see below), whose sum is σ = 1372773120. Its totient is φ = 892301904.

The previous prime is 1129677473. The next prime is 1129677491. The reversal of 1129677485 is 5847769211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1129677485 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429577 + ... + 1430366.

It is an arithmetic number, because the mean of its divisors is an integer number (171596640).

Almost surely, 2^1129677485 is an apocalyptic number.

It is an amenable number.

1129677485 is a deficient number, since it is larger than the sum of its proper divisors (243095635).

1129677485 is an equidigital number, since it uses as much as digits as its factorization.

1129677485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860027.

The product of its digits is 846720, while the sum is 50.

The square root of 1129677485 is about 33610.6751642986. The cubic root of 1129677485 is about 1041.4813348644.

The spelling of 1129677485 in words is "one billion, one hundred twenty-nine million, six hundred seventy-seven thousand, four hundred eighty-five".