1147073408 has 128 divisors (see below), whose sum is σ = 2613354240. Its totient is φ = 497664000.

The previous prime is 1147073407. The next prime is 1147073471. The reversal of 1147073408 is 8043707411.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147073407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1908308 + ... + 1908908.

It is an arithmetic number, because the mean of its divisors is an integer number (20416830).

Almost surely, 2^1147073408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147073408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306677120).

1147073408 is an abundant number, since it is smaller than the sum of its proper divisors (1466280832).

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

1147073408 is a wasteful number, since it uses less digits than its factorization.

1147073408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1147073408 is about 33868.4721828429. The cubic root of 1147073408 is about 1046.8000562054.

The spelling of 1147073408 in words is "one billion, one hundred forty-seven million, seventy-three thousand, four hundred eight".