1131224154 has 16 divisors (see below), whose sum is σ = 2262854880. Its totient is φ = 377006960.

The previous prime is 1131224137. The next prime is 1131224167. The reversal of 1131224154 is 4514221311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28684 + ... + 55544.

It is an arithmetic number, because the mean of its divisors is an integer number (141428430).

Almost surely, 2^1131224154 is an apocalyptic number.

1131224154 is an abundant number, since it is smaller than the sum of its proper divisors (1131630726).

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

1131224154 is a wasteful number, since it uses less digits than its factorization.

1131224154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33885.

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

The square root of 1131224154 is about 33633.6758918796. The cubic root of 1131224154 is about 1041.9564239449.

Adding to 1131224154 its reverse (4514221311), we get a palindrome (5645445465).

The spelling of 1131224154 in words is "one billion, one hundred thirty-one million, two hundred twenty-four thousand, one hundred fifty-four".