1147748080 has 40 divisors (see below), whose sum is σ = 2760537600. Its totient is φ = 443267328.

The previous prime is 1147748059. The next prime is 1147748087. The reversal of 1147748080 is 808477411.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147748087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245040 + ... + 249679.

It is an arithmetic number, because the mean of its divisors is an integer number (69013440).

Almost surely, 2^1147748080 is an apocalyptic number.

1147748080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1147748080 is an abundant number, since it is smaller than the sum of its proper divisors (1612789520).

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

1147748080 is a wasteful number, since it uses less digits than its factorization.

1147748080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494761 (or 494755 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 1147748080 is about 33878.4308963683. The cubic root of 1147748080 is about 1047.0052474524.

The spelling of 1147748080 in words is "one billion, one hundred forty-seven million, seven hundred forty-eight thousand, eighty".