1228406130 has 96 divisors (see below), whose sum is σ = 3667817088. Its totient is φ = 279417600.

The previous prime is 1228406087. The next prime is 1228406131. The reversal of 1228406130 is 316048221.

1228406130 is a `hidden beast` number, since 1 + 2 + 2 + 8 + 40 + 613 + 0 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1228406094 and 1228406103.

It is not an unprimeable number, because it can be changed into a prime (1228406131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128310 + ... + 137550.

It is an arithmetic number, because the mean of its divisors is an integer number (38206428).

Almost surely, 2^1228406130 is an apocalyptic number.

1228406130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1228406130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1833908544).

1228406130 is an abundant number, since it is smaller than the sum of its proper divisors (2439410958).

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

1228406130 is a wasteful number, since it uses less digits than its factorization.

1228406130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472 (or 9469 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1228406130 is about 35048.6252226817. The cubic root of 1228406130 is about 1070.9782679906.

The spelling of 1228406130 in words is "one billion, two hundred twenty-eight million, four hundred six thousand, one hundred thirty".