1121230494720 has 352 divisors, whose sum is σ = 4553890483200. Its totient is φ = 256281034752.

The previous prime is 1121230494697. The next prime is 1121230494721. The reversal of 1121230494720 is 274940321211.

1121230494720 is a `hidden beast` number, since 1 + 121 + 23 + 0 + 49 + 472 + 0 = 666.

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 (1121230494721) 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, 388341 + ... + 1547019.

Almost surely, 2^{1121230494720} is an apocalyptic number.

1121230494720 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 1121230494720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2276945241600).

1121230494720 is an abundant number, since it is smaller than the sum of its proper divisors (3432659988480).

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

1121230494720 is a wasteful number, since it uses less digits than its factorization.

1121230494720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158720 (or 1158696 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 1121230494720 in words is "one trillion, one hundred twenty-one billion, two hundred thirty million, four hundred ninety-four thousand, seven hundred twenty".