1121174154 has 48 divisors (see below), whose sum is σ = 2566711680. Its totient is φ = 352719360.

The previous prime is 1121174129. The next prime is 1121174167. The reversal of 1121174154 is 4514711211.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86634 + ... + 98730.

It is an arithmetic number, because the mean of its divisors is an integer number (53473160).

Almost surely, 2^1121174154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121174154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1283355840).

1121174154 is an abundant number, since it is smaller than the sum of its proper divisors (1445537526).

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

1121174154 is a wasteful number, since it uses less digits than its factorization.

1121174154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12395 (or 12392 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 1121174154 is about 33483.9387468081. The cubic root of 1121174154 is about 1038.8615976579.

Adding to 1121174154 its reverse (4514711211), we get a palindrome (5635885365).

The spelling of 1121174154 in words is "one billion, one hundred twenty-one million, one hundred seventy-four thousand, one hundred fifty-four".