1129161610 has 8 divisors (see below), whose sum is σ = 2032490916. Its totient is φ = 451664640.

The previous prime is 1129161599. The next prime is 1129161613. The reversal of 1129161610 is 161619211.

It is a Cunningham number, because it is equal to 33603²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1129161609 + 1 = 33603^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1129161613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56458071 + ... + 56458090.

Almost surely, 2^1129161610 is an apocalyptic number.

1129161610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1129161610 is a deficient number, since it is larger than the sum of its proper divisors (903329306).

1129161610 is a wasteful number, since it uses less digits than its factorization.

1129161610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112916168.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 1129161610 is about 33603.0000148796. Note that the first 4 decimals coincide. The cubic root of 1129161610 is about 1041.3227775196.

The spelling of 1129161610 in words is "one billion, one hundred twenty-nine million, one hundred sixty-one thousand, six hundred ten".