1118232469 has 16 divisors (see below), whose sum is σ = 1186012800. Its totient is φ = 1054123488.

The previous prime is 1118232433. The next prime is 1118232481. The reversal of 1118232469 is 9642328111.

It is not a de Polignac number, because 1118232469 - 2⁹ = 1118231957 is a prime.

It is a super-2 number, since 2×1118232469² = 2500887709451671922, 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 (1118232569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887562 + ... + 888820.

It is an arithmetic number, because the mean of its divisors is an integer number (74125800).

Almost surely, 2^1118232469 is an apocalyptic number.

It is an amenable number.

1118232469 is a deficient number, since it is larger than the sum of its proper divisors (67780331).

1118232469 is an frugal number, since it uses more digits than its factorization.

1118232469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1355 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 1118232469 is about 33439.9830891106. The cubic root of 1118232469 is about 1037.9522295030.

The spelling of 1118232469 in words is "one billion, one hundred eighteen million, two hundred thirty-two thousand, four hundred sixty-nine".