1129944346 has 4 divisors (see below), whose sum is σ = 1694916522. Its totient is φ = 564972172.

The previous prime is 1129944337. The next prime is 1129944397. The reversal of 1129944346 is 6434499211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6434499211 = 7 ⋅919214173.

It can be written as a sum of positive squares in only one way, i.e., 1129699321 + 245025 = 33611^2 + 495^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282486085 + ... + 282486088.

Almost surely, 2^1129944346 is an apocalyptic number.

1129944346 is a deficient number, since it is larger than the sum of its proper divisors (564972176).

1129944346 is an equidigital number, since it uses as much as digits as its factorization.

1129944346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564972175.

The product of its digits is 186624, while the sum is 43.

The square root of 1129944346 is about 33614.6448144258. The cubic root of 1129944346 is about 1041.5633372861.

The spelling of 1129944346 in words is "one billion, one hundred twenty-nine million, nine hundred forty-four thousand, three hundred forty-six".