1190909292 has 12 divisors (see below), whose sum is σ = 2778788376. Its totient is φ = 396969760.

The previous prime is 1190909287. The next prime is 1190909297. The reversal of 1190909292 is 2929090911.

It is an interprime number because it is at equal distance from previous prime (1190909287) and next prime (1190909297).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1190909297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49621209 + ... + 49621232.

It is an arithmetic number, because the mean of its divisors is an integer number (231565698).

Almost surely, 2^1190909292 is an apocalyptic number.

1190909292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1190909292 is an abundant number, since it is smaller than the sum of its proper divisors (1587879084).

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

1190909292 is a wasteful number, since it uses less digits than its factorization.

1190909292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99242448 (or 99242446 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 42.

The square root of 1190909292 is about 34509.5536337403. The cubic root of 1190909292 is about 1059.9683424745.

The spelling of 1190909292 in words is "one billion, one hundred ninety million, nine hundred nine thousand, two hundred ninety-two".