1199414851684 has 81 divisors (see below), whose sum is σ = 2463933524409. Its totient is φ = 509389191360.

The previous prime is 1199414851673. The next prime is 1199414851703. The reversal of 1199414851684 is 4861584149911.

The square root of 1199414851684 is 1095178.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 704541996900 + 494872854784 = 839370^2 + 703472^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2100551119 + ... + 2100551689.

Almost surely, 2^{1199414851684} is an apocalyptic number.

1199414851684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1199414851684 is the 1095178-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1199414851684

1199414851684 is an abundant number, since it is smaller than the sum of its proper divisors (1264518672725).

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

1199414851684 is an frugal number, since it uses more digits than its factorization.

1199414851684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 717 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 61.

The spelling of 1199414851684 in words is "one trillion, one hundred ninety-nine billion, four hundred fourteen million, eight hundred fifty-one thousand, six hundred eighty-four".