1128714240 has 104 divisors (see below), whose sum is σ = 3611641248. Its totient is φ = 300974080.

The previous prime is 1128714233. The next prime is 1128714253. The reversal of 1128714240 is 424178211.

It is a hoax number, since the sum of its digits (30) 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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 1128714198 and 1128714207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52255 + ... + 70625.

Almost surely, 2^1128714240 is an apocalyptic number.

1128714240 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 1128714240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1805820624).

1128714240 is an abundant number, since it is smaller than the sum of its proper divisors (2482927008).

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

1128714240 is an equidigital number, since it uses as much as digits as its factorization.

1128714240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18403 (or 18381 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1128714240 is about 33596.3426580930. The cubic root of 1128714240 is about 1041.1852365027.

The spelling of 1128714240 in words is "one billion, one hundred twenty-eight million, seven hundred fourteen thousand, two hundred forty".