1129396900 has 36 divisors (see below), whose sum is σ = 2453270932. Its totient is φ = 451301760.

The previous prime is 1129396859. The next prime is 1129396949. The reversal of 1129396900 is 96939211.

It can be written as a sum of positive squares in 6 ways, for example, as 107827456 + 1021569444 = 10384^2 + 31962^2 .

It is a super-2 number, since 2×1129396900² = 2551074715459220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104134 + ... + 114466.

Almost surely, 2^1129396900 is an apocalyptic number.

1129396900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1129396900 is an abundant number, since it is smaller than the sum of its proper divisors (1323874032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129396900 is a wasteful number, since it uses less digits than its factorization.

1129396900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11440 (or 11433 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 1129396900 is about 33606.5008592088. The cubic root of 1129396900 is about 1041.3951013328.

The spelling of 1129396900 in words is "one billion, one hundred twenty-nine million, three hundred ninety-six thousand, nine hundred".