1162267028 has 12 divisors (see below), whose sum is σ = 2190426420. Its totient is φ = 536430912.

The previous prime is 1162267021. The next prime is 1162267049. The reversal of 1162267028 is 8207622611.

It can be written as a sum of positive squares in 2 ways, for example, as 276490384 + 885776644 = 16628^2 + 29762^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162267021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11175593 + ... + 11175696.

It is an arithmetic number, because the mean of its divisors is an integer number (182535535).

Almost surely, 2^1162267028 is an apocalyptic number.

It is an amenable number.

1162267028 is a deficient number, since it is larger than the sum of its proper divisors (1028159392).

1162267028 is a wasteful number, since it uses less digits than its factorization.

1162267028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22351306 (or 22351304 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1162267028 is about 34092.0376041093. The cubic root of 1162267028 is about 1051.4016136073.

Adding to 1162267028 its reverse (8207622611), we get a palindrome (9369889639).

The spelling of 1162267028 in words is "one billion, one hundred sixty-two million, two hundred sixty-seven thousand, twenty-eight".