1209368468 has 96 divisors (see below), whose sum is σ = 2837237760. Its totient is φ = 436786560.

The previous prime is 1209368453. The next prime is 1209368509. The reversal of 1209368468 is 8648639021.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

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, 272846 + ... + 277242.

It is an arithmetic number, because the mean of its divisors is an integer number (29554560).

Almost surely, 2^1209368468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1209368468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1418618880).

1209368468 is an abundant number, since it is smaller than the sum of its proper divisors (1627869292).

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

1209368468 is a wasteful number, since it uses less digits than its factorization.

1209368468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485 (or 4483 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 1209368468 is about 34775.9754428255. The cubic root of 1209368468 is about 1065.4168155477.

The spelling of 1209368468 in words is "one billion, two hundred nine million, three hundred sixty-eight thousand, four hundred sixty-eight".