1146472128 has 84 divisors (see below), whose sum is σ = 3356152800. Its totient is φ = 374017536.

The previous prime is 1146472079. The next prime is 1146472133. The reversal of 1146472128 is 8212746411.

It is a happy number.

1146472128 is a `hidden beast` number, since 1 + 1 + 4 + 647 + 2 + 1 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1146472092 and 1146472101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5898 + ... + 48246.

It is an arithmetic number, because the mean of its divisors is an integer number (39954200).

Almost surely, 2^1146472128 is an apocalyptic number.

1146472128 is a gapful number since it is divisible by the number (18) 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 1146472128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678076400).

1146472128 is an abundant number, since it is smaller than the sum of its proper divisors (2209680672).

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

1146472128 is a wasteful number, since it uses less digits than its factorization.

1146472128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42414 (or 42401 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 1146472128 is about 33859.5943271623. The cubic root of 1146472128 is about 1046.6171182048.

The spelling of 1146472128 in words is "one billion, one hundred forty-six million, four hundred seventy-two thousand, one hundred twenty-eight".