1124465280 has 128 divisors (see below), whose sum is σ = 3607225920. Its totient is φ = 297934848.

The previous prime is 1124465257. The next prime is 1124465281. The reversal of 1124465280 is 825644211.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1124465281) 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, 311164 + ... + 314756.

Almost surely, 2^1124465280 is an apocalyptic number.

1124465280 is a gapful number since it is divisible by the number (10) 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 1124465280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803612960).

1124465280 is an abundant number, since it is smaller than the sum of its proper divisors (2482760640).

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

1124465280 is a wasteful number, since it uses less digits than its factorization.

1124465280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778 (or 3766 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1124465280 is about 33533.0475799621. The cubic root of 1124465280 is about 1039.8771057941.

The spelling of 1124465280 in words is "one billion, one hundred twenty-four million, four hundred sixty-five thousand, two hundred eighty".