1121440230258 has 64 divisors (see below), whose sum is σ = 2309823419904. Its totient is φ = 362758032000.

The previous prime is 1121440230233. The next prime is 1121440230259. The reversal of 1121440230258 is 8520320441211.

It is a super-2 number, since 2×1121440230258² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121440230259) 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, 39737773 + ... + 39765983.

It is an arithmetic number, because the mean of its divisors is an integer number (36090990936).

Almost surely, 2^{1121440230258} is an apocalyptic number.

1121440230258 is an abundant number, since it is smaller than the sum of its proper divisors (1188383189646).

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

1121440230258 is a wasteful number, since it uses less digits than its factorization.

1121440230258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29111.

The product of its (nonzero) digits is 15360, while the sum is 33.

Adding to 1121440230258 its reverse (8520320441211), we get a palindrome (9641760671469).

The spelling of 1121440230258 in words is "one trillion, one hundred twenty-one billion, four hundred forty million, two hundred thirty thousand, two hundred fifty-eight".