1123404454260 has 192 divisors, whose sum is σ = 3835600957440. Its totient is φ = 270709453440.

The previous prime is 1123404454181. The next prime is 1123404454267. The reversal of 1123404454260 is 624544043211.

1123404454260 is a `hidden beast` number, since 1 + 1 + 2 + 340 + 4 + 4 + 54 + 260 = 666.

It is a super-3 number, since 3×1123404454260³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123404454267) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 425737 + ... + 1558223.

It is an arithmetic number, because the mean of its divisors is an integer number (19977088320).

Almost surely, 2^{1123404454260} is an apocalyptic number.

1123404454260 is a gapful number since it is divisible by the number (10) 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 1123404454260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1917800478720).

1123404454260 is an abundant number, since it is smaller than the sum of its proper divisors (2712196503180).

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

1123404454260 is a wasteful number, since it uses less digits than its factorization.

1123404454260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132683 (or 1132675 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 1123404454260 its reverse (624544043211), we get a palindrome (1747948497471).

The spelling of 1123404454260 in words is "one trillion, one hundred twenty-three billion, four hundred four million, four hundred fifty-four thousand, two hundred sixty".