1123046748121 has 9 divisors (see below), whose sum is σ = 1140130899999. Its totient is φ = 1106214913584.

The previous prime is 1123046748101. The next prime is 1123046748137. The reversal of 1123046748121 is 1218476403211.

The square root of 1123046748121 is 1059739.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1001290416025 + 121756332096 = 1000645^2 + 348936^2 .

It is not a de Polignac number, because 1123046748121 - 2⁷ = 1123046747993 is a prime.

It is a super-2 number, since 2×1123046748121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123046748101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 70994605 + ... + 71010421.

It is an arithmetic number, because the mean of its divisors is an integer number (126681211111).

Almost surely, 2^{1123046748121} is an apocalyptic number.

1123046748121 is the 1059739-th square number.

1123046748121 is the 529870-th centered octagonal number.

It is an amenable number.

1123046748121 is a deficient number, since it is larger than the sum of its proper divisors (17084151878).

1123046748121 is an frugal number, since it uses more digits than its factorization.

1123046748121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31768 (or 15884 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 1123046748121 in words is "one trillion, one hundred twenty-three billion, forty-six million, seven hundred forty-eight thousand, one hundred twenty-one".