1123553734 has 4 divisors (see below), whose sum is σ = 1685330604. Its totient is φ = 561776866.

The previous prime is 1123553719. The next prime is 1123553747. The reversal of 1123553734 is 4373553211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4373553211 = 71 ⋅61599341.

It is a self number, because there is not a number n which added to its sum of digits gives 1123553734.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 280888432 + ... + 280888435.

It is an arithmetic number, because the mean of its divisors is an integer number (421332651).

Almost surely, 2^1123553734 is an apocalyptic number.

1123553734 is a deficient number, since it is larger than the sum of its proper divisors (561776870).

1123553734 is an equidigital number, since it uses as much as digits as its factorization.

1123553734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561776869.

The product of its digits is 37800, while the sum is 34.

The square root of 1123553734 is about 33519.4530683303. The cubic root of 1123553734 is about 1039.5960382546.

The spelling of 1123553734 in words is "one billion, one hundred twenty-three million, five hundred fifty-three thousand, seven hundred thirty-four".