1109772052 has 6 divisors (see below), whose sum is σ = 1942101098. Its totient is φ = 554886024.

The previous prime is 1109772049. The next prime is 1109772091. The reversal of 1109772052 is 2502779011.

It can be written as a sum of positive squares in only one way, i.e., 581967376 + 527804676 = 24124^2 + 22974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1109771999 and 1109772017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138721503 + ... + 138721510.

Almost surely, 2^1109772052 is an apocalyptic number.

It is an amenable number.

1109772052 is a deficient number, since it is larger than the sum of its proper divisors (832329046).

1109772052 is a wasteful number, since it uses less digits than its factorization.

1109772052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277443017 (or 277443015 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 1109772052 is about 33313.2413913747. The cubic root of 1109772052 is about 1035.3279245941.

The spelling of 1109772052 in words is "one billion, one hundred nine million, seven hundred seventy-two thousand, fifty-two".