1123727494764 has 192 divisors, whose sum is σ = 3254964285440. Its totient is φ = 294540261120.

The previous prime is 1123727494741. The next prime is 1123727494777. The reversal of 1123727494764 is 4674947273211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12414879 + ... + 12505065.

Almost surely, 2^{1123727494764} is an apocalyptic number.

1123727494764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123727494764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627482142720).

1123727494764 is an abundant number, since it is smaller than the sum of its proper divisors (2131236790676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123727494764 is a wasteful number, since it uses less digits than its factorization.

1123727494764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90468 (or 90466 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 57.

The spelling of 1123727494764 in words is "one trillion, one hundred twenty-three billion, seven hundred twenty-seven million, four hundred ninety-four thousand, seven hundred sixty-four".