1149280772 has 6 divisors (see below), whose sum is σ = 2011241358. Its totient is φ = 574640384.

The previous prime is 1149280753. The next prime is 1149280787. The reversal of 1149280772 is 2770829411.

It can be written as a sum of positive squares in only one way, i.e., 1119839296 + 29441476 = 33464^2 + 5426^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143660093 + ... + 143660100.

It is an arithmetic number, because the mean of its divisors is an integer number (335206893).

Almost surely, 2^1149280772 is an apocalyptic number.

It is an amenable number.

1149280772 is a deficient number, since it is larger than the sum of its proper divisors (861960586).

1149280772 is a wasteful number, since it uses less digits than its factorization.

1149280772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287320197 (or 287320195 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 1149280772 is about 33901.0438187381. The cubic root of 1149280772 is about 1047.4710938076.

The spelling of 1149280772 in words is "one billion, one hundred forty-nine million, two hundred eighty thousand, seven hundred seventy-two".