1109774952 has 512 divisors, whose sum is σ = 3999744000. Its totient is φ = 279936000.

The previous prime is 1109774947. The next prime is 1109774957. The reversal of 1109774952 is 2594779011.

It is an interprime number because it is at equal distance from previous prime (1109774947) and next prime (1109774957).

It is a junction number, because it is equal to n+sod(n) for n = 1109774898 and 1109774907.

It is not an unprimeable number, because it can be changed into a prime (1109774957) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18193002 + ... + 18193062.

It is an arithmetic number, because the mean of its divisors is an integer number (7812000).

Almost surely, 2^1109774952 is an apocalyptic number.

1109774952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109774952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1999872000).

1109774952 is an abundant number, since it is smaller than the sum of its proper divisors (2889969048).

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

1109774952 is a wasteful number, since it uses less digits than its factorization.

1109774952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 1109774952 is about 33313.2849175821. The cubic root of 1109774952 is about 1035.3288264155.

The spelling of 1109774952 in words is "one billion, one hundred nine million, seven hundred seventy-four thousand, nine hundred fifty-two".