1128914870 has 8 divisors (see below), whose sum is σ = 2032046784. Its totient is φ = 451565944.

The previous prime is 1128914833. The next prime is 1128914939. The reversal of 1128914870 is 784198211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56445734 + ... + 56445753.

It is an arithmetic number, because the mean of its divisors is an integer number (254005848).

Almost surely, 2^1128914870 is an apocalyptic number.

1128914870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128914870 is a deficient number, since it is larger than the sum of its proper divisors (903131914).

1128914870 is a wasteful number, since it uses less digits than its factorization.

1128914870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112891494.

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 1128914870 is about 33599.3284159074. The cubic root of 1128914870 is about 1041.2469233941.

The spelling of 1128914870 in words is "one billion, one hundred twenty-eight million, nine hundred fourteen thousand, eight hundred seventy".