1147128048 has 160 divisors (see below), whose sum is σ = 3608935680. Its totient is φ = 345980160.

The previous prime is 1147128029. The next prime is 1147128049. The reversal of 1147128048 is 8408217411.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147128049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1344390 + ... + 1345242.

It is an arithmetic number, because the mean of its divisors is an integer number (22555848).

Almost surely, 2^1147128048 is an apocalyptic number.

1147128048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147128048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804467840).

1147128048 is an abundant number, since it is smaller than the sum of its proper divisors (2461807632).

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

1147128048 is a wasteful number, since it uses less digits than its factorization.

1147128048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 1147128048 is about 33869.2788231459. The cubic root of 1147128048 is about 1046.8166771257.

It can be divided in two parts, 114712 and 8048, that added together give a triangular number (122760 = T₄₉₅).

The spelling of 1147128048 in words is "one billion, one hundred forty-seven million, one hundred twenty-eight thousand, forty-eight".