1194669648 has 120 divisors (see below), whose sum is σ = 3500296800. Its totient is φ = 394429824.

The previous prime is 1194669613. The next prime is 1194669667. The reversal of 1194669648 is 8469664911.

It is a happy number.

1194669648 is a `hidden beast` number, since 119 + 466 + 9 + 64 + 8 = 666.

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 a junction number, because it is equal to n+sod(n) for n = 1194669594 and 1194669603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422383 + ... + 425201.

It is an arithmetic number, because the mean of its divisors is an integer number (29169140).

Almost surely, 2^1194669648 is an apocalyptic number.

1194669648 is a gapful number since it is divisible by the number (18) 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 1194669648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750148400).

1194669648 is an abundant number, since it is smaller than the sum of its proper divisors (2305627152).

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

1194669648 is a wasteful number, since it uses less digits than its factorization.

1194669648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951 (or 2933 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 1194669648 is about 34563.9935192680. The cubic root of 1194669648 is about 1061.0828047609.

The spelling of 1194669648 in words is "one billion, one hundred ninety-four million, six hundred sixty-nine thousand, six hundred forty-eight".