1154044120 has 16 divisors (see below), whose sum is σ = 2596599360. Its totient is φ = 461617632.

The previous prime is 1154044117. The next prime is 1154044121. The reversal of 1154044120 is 214404511.

It is a junction number, because it is equal to n+sod(n) for n = 1154044091 and 1154044100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154044121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14425512 + ... + 14425591.

It is an arithmetic number, because the mean of its divisors is an integer number (162287460).

Almost surely, 2^1154044120 is an apocalyptic number.

1154044120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1154044120 is an abundant number, since it is smaller than the sum of its proper divisors (1442555240).

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

1154044120 is a wasteful number, since it uses less digits than its factorization.

1154044120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28851114 (or 28851110 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1154044120 is about 33971.2248822441. The cubic root of 1154044120 is about 1048.9162271800.

Adding to 1154044120 its reverse (214404511), we get a palindrome (1368448631).

The spelling of 1154044120 in words is "one billion, one hundred fifty-four million, forty-four thousand, one hundred twenty".