1154012216 has 16 divisors (see below), whose sum is σ = 2472883440. Its totient is φ = 494576640.

The previous prime is 1154012191. The next prime is 1154012257. The reversal of 1154012216 is 6122104511.

It is a junction number, because it is equal to n+sod(n) for n = 1154012191 and 1154012200.

It is a congruent 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, 10303625 + ... + 10303736.

It is an arithmetic number, because the mean of its divisors is an integer number (154555215).

Almost surely, 2^1154012216 is an apocalyptic number.

It is an amenable number.

1154012216 is an abundant number, since it is smaller than the sum of its proper divisors (1318871224).

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

1154012216 is a wasteful number, since it uses less digits than its factorization.

1154012216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20607374 (or 20607370 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1154012216 is about 33970.7553051150. The cubic root of 1154012216 is about 1048.9065611915.

Adding to 1154012216 its reverse (6122104511), we get a palindrome (7276116727).

The spelling of 1154012216 in words is "one billion, one hundred fifty-four million, twelve thousand, two hundred sixteen".