1229463900 has 216 divisors, whose sum is σ = 4598299440. Its totient is φ = 280990080.

The previous prime is 1229463899. The next prime is 1229463931. The reversal of 1229463900 is 93649221.

1229463900 is a `hidden beast` number, since 1 + 229 + 46 + 390 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 127654 + ... + 136946.

Almost surely, 2^1229463900 is an apocalyptic number.

1229463900 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 1229463900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2299149720).

1229463900 is an abundant number, since it is smaller than the sum of its proper divisors (3368835540).

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

1229463900 is a wasteful number, since it uses less digits than its factorization.

1229463900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9330 (or 9310 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1229463900 is about 35063.7120111377. The cubic root of 1229463900 is about 1071.2855832040.

The spelling of 1229463900 in words is "one billion, two hundred twenty-nine million, four hundred sixty-three thousand, nine hundred".