1120749069 has 12 divisors (see below), whose sum is σ = 1642530848. Its totient is φ = 679241640.

The previous prime is 1120749041. The next prime is 1120749079. The reversal of 1120749069 is 9609470211.

It is not a de Polignac number, because 1120749069 - 2⁸ = 1120748813 is a prime.

It is a super-2 number, since 2×1120749069² = 2512156951328733522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120749079) 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 11 ways as a sum of consecutive naturals, for example, 1543369 + ... + 1544094.

Almost surely, 2^1120749069 is an apocalyptic number.

It is an amenable number.

1120749069 is a deficient number, since it is larger than the sum of its proper divisors (521781779).

1120749069 is a wasteful number, since it uses less digits than its factorization.

1120749069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087488 (or 3087477 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 1120749069 is about 33477.5905495004. The cubic root of 1120749069 is about 1038.7302887967.

The spelling of 1120749069 in words is "one billion, one hundred twenty million, seven hundred forty-nine thousand, sixty-nine".