1131422154 has 8 divisors (see below), whose sum is σ = 2262844320. Its totient is φ = 377140716.

The previous prime is 1131422147. The next prime is 1131422177. The reversal of 1131422154 is 4512241311.

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

1131422154 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94285174 + ... + 94285185.

It is an arithmetic number, because the mean of its divisors is an integer number (282855540).

Almost surely, 2^1131422154 is an apocalyptic number.

1131422154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1131422154 is a wasteful number, since it uses less digits than its factorization.

1131422154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188570364.

The product of its digits is 960, while the sum is 24.

The square root of 1131422154 is about 33636.6192415350. The cubic root of 1131422154 is about 1042.0172121731.

Adding to 1131422154 its reverse (4512241311), we get a palindrome (5643663465).

The spelling of 1131422154 in words is "one billion, one hundred thirty-one million, four hundred twenty-two thousand, one hundred fifty-four".