1129445050 has 24 divisors (see below), whose sum is σ = 2129552316. Its totient is φ = 445587840.

The previous prime is 1129445047. The next prime is 1129445059. The reversal of 1129445050 is 505449211.

It can be written as a sum of positive squares in 6 ways, for example, as 512071641 + 617373409 = 22629^2 + 24847^2 .

It is a super-2 number, since 2×1129445050² = 2551292241939005000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1129445059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151069 + ... + 158368.

Almost surely, 2^1129445050 is an apocalyptic number.

1129445050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1129445050 is a deficient number, since it is larger than the sum of its proper divisors (1000107266).

1129445050 is a wasteful number, since it uses less digits than its factorization.

1129445050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309522 (or 309517 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1129445050 is about 33607.2172308271. The cubic root of 1129445050 is about 1041.4099005179.

The spelling of 1129445050 in words is "one billion, one hundred twenty-nine million, four hundred forty-five thousand, fifty".