1123449769 has 8 divisors (see below), whose sum is σ = 1227927680. Its totient is φ = 1021551696.

The previous prime is 1123449751. The next prime is 1123449773. The reversal of 1123449769 is 9679443211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123449769 - 2¹³ = 1123441577 is a prime.

It is a super-2 number, since 2×1123449769² = 2524278766932306722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123449169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644049 + ... + 645790.

It is an arithmetic number, because the mean of its divisors is an integer number (153490960).

Almost surely, 2^1123449769 is an apocalyptic number.

It is an amenable number.

1123449769 is a deficient number, since it is larger than the sum of its proper divisors (104477911).

1123449769 is a wasteful number, since it uses less digits than its factorization.

1123449769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289919.

The product of its digits is 326592, while the sum is 46.

The square root of 1123449769 is about 33517.9022165767. The cubic root of 1123449769 is about 1039.5639718648.

The spelling of 1123449769 in words is "one billion, one hundred twenty-three million, four hundred forty-nine thousand, seven hundred sixty-nine".