1174728123 has 32 divisors (see below), whose sum is σ = 1758919680. Its totient is φ = 774839520.

The previous prime is 1174728109. The next prime is 1174728127. The reversal of 1174728123 is 3218274711.

1174728123 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1174728123 - 2⁵ = 1174728091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1174728127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1289038 + ... + 1289948.

It is an arithmetic number, because the mean of its divisors is an integer number (54966240).

Almost surely, 2^1174728123 is an apocalyptic number.

1174728123 is a deficient number, since it is larger than the sum of its proper divisors (584191557).

1174728123 is a wasteful number, since it uses less digits than its factorization.

1174728123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376 (or 1370 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 1174728123 is about 34274.3070389468. The cubic root of 1174728123 is about 1055.1457531681.

The spelling of 1174728123 in words is "one billion, one hundred seventy-four million, seven hundred twenty-eight thousand, one hundred twenty-three".