1191744096 has 96 divisors (see below), whose sum is σ = 3246415200. Its totient is φ = 382796288.

The previous prime is 1191744091. The next prime is 1191744101. The reversal of 1191744096 is 6904471911.

It is an interprime number because it is at equal distance from previous prime (1191744091) and next prime (1191744101).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1191744091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2341090 + ... + 2341598.

It is an arithmetic number, because the mean of its divisors is an integer number (33816825).

Almost surely, 2^1191744096 is an apocalyptic number.

1191744096 is a gapful number since it is divisible by the number (16) 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 1191744096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1623207600).

1191744096 is an abundant number, since it is smaller than the sum of its proper divisors (2054671104).

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

1191744096 is an frugal number, since it uses more digits than its factorization.

1191744096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1191744096 is about 34521.6467741619. The cubic root of 1191744096 is about 1060.2159569488.

The spelling of 1191744096 in words is "one billion, one hundred ninety-one million, seven hundred forty-four thousand, ninety-six".