1209468672 has 360 divisors, whose sum is σ = 3953226816. Its totient is φ = 366280704.

The previous prime is 1209468649. The next prime is 1209468707. The reversal of 1209468672 is 2768649021.

It is a happy number.

1209468672 is a `hidden beast` number, since 120 + 9 + 468 + 67 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16568028 + ... + 16568100.

Almost surely, 2^1209468672 is an apocalyptic number.

1209468672 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 1209468672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1976613408).

1209468672 is an abundant number, since it is smaller than the sum of its proper divisors (2743758144).

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

1209468672 is an equidigital number, since it uses as much as digits as its factorization.

1209468672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1209468672 is about 34777.4161202353. The cubic root of 1209468672 is about 1065.4462402932.

The spelling of 1209468672 in words is "one billion, two hundred nine million, four hundred sixty-eight thousand, six hundred seventy-two".