1129062638 has 16 divisors (see below), whose sum is σ = 1865853360. Its totient is φ = 508128000.

The previous prime is 1129062611. The next prime is 1129062643. The reversal of 1129062638 is 8362609211.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 251843 + ... + 256286.

It is an arithmetic number, because the mean of its divisors is an integer number (116615835).

Almost surely, 2^1129062638 is an apocalyptic number.

1129062638 is a deficient number, since it is larger than the sum of its proper divisors (736790722).

1129062638 is a wasteful number, since it uses less digits than its factorization.

1129062638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508243.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1129062638 is about 33601.5273164777. The cubic root of 1129062638 is about 1041.2923523474.

The spelling of 1129062638 in words is "one billion, one hundred twenty-nine million, sixty-two thousand, six hundred thirty-eight".