1131904097 has 8 divisors (see below), whose sum is σ = 1176820512. Its totient is φ = 1087812000.

The previous prime is 1131904087. The next prime is 1131904099. The reversal of 1131904097 is 7904091311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1131904097 is a prime.

It is a super-3 number, since 3×1131904097³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131904099) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 203279 + ... + 208772.

It is an arithmetic number, because the mean of its divisors is an integer number (147102564).

Almost surely, 2^1131904097 is an apocalyptic number.

It is an amenable number.

1131904097 is a deficient number, since it is larger than the sum of its proper divisors (44916415).

1131904097 is an equidigital number, since it uses as much as digits as its factorization.

1131904097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412159.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 1131904097 is about 33643.7824419312. The cubic root of 1131904097 is about 1042.1651444639.

The spelling of 1131904097 in words is "one billion, one hundred thirty-one million, nine hundred four thousand, ninety-seven".