1229884992 has 224 divisors, whose sum is σ = 4375952640. Its totient is φ = 330670080.

The previous prime is 1229884969. The next prime is 1229885017. The reversal of 1229884992 is 2994889221.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202642 + ... + 208622.

Almost surely, 2^1229884992 is an apocalyptic number.

1229884992 is a gapful number since it is divisible by the number (12) 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 1229884992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2187976320).

1229884992 is an abundant number, since it is smaller than the sum of its proper divisors (3146067648).

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

1229884992 is a wasteful number, since it uses less digits than its factorization.

1229884992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026 (or 6010 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 1229884992 is about 35069.7161665161. The cubic root of 1229884992 is about 1071.4078745259.

The spelling of 1229884992 in words is "one billion, two hundred twenty-nine million, eight hundred eighty-four thousand, nine hundred ninety-two".