1129648910 has 32 divisors (see below), whose sum is σ = 2284994880. Its totient is φ = 398965248.

The previous prime is 1129648907. The next prime is 1129648931. The reversal of 1129648910 is 198469211.

It is a super-2 number, since 2×1129648910² = 2552213319728376200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 185915 + ... + 191894.

It is an arithmetic number, because the mean of its divisors is an integer number (71406090).

Almost surely, 2^1129648910 is an apocalyptic number.

1129648910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1129648910 is an abundant number, since it is smaller than the sum of its proper divisors (1155345970).

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

1129648910 is a wasteful number, since it uses less digits than its factorization.

1129648910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377852.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 1129648910 is about 33610.2500734523. The cubic root of 1129648910 is about 1041.4725534259.

It can be divided in two parts, 11296 and 48910, that added together give a palindrome (60206).

The spelling of 1129648910 in words is "one billion, one hundred twenty-nine million, six hundred forty-eight thousand, nine hundred ten".