1121250454530 has 64 divisors (see below), whose sum is σ = 2854100924928. Its totient is φ = 280937246720.

The previous prime is 1121250454487. The next prime is 1121250454559. The reversal of 1121250454530 is 354540521211.

It is a junction number, because it is equal to n+sod(n) for n = 1121250454491 and 1121250454500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1551306 + ... + 2156165.

It is an arithmetic number, because the mean of its divisors is an integer number (44595326952).

Almost surely, 2^{1121250454530} is an apocalyptic number.

1121250454530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121250454530 is an abundant number, since it is smaller than the sum of its proper divisors (1732850470398).

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

1121250454530 is a wasteful number, since it uses less digits than its factorization.

1121250454530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708091.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1121250454530 its reverse (354540521211), we get a palindrome (1475790975741).

The spelling of 1121250454530 in words is "one trillion, one hundred twenty-one billion, two hundred fifty million, four hundred fifty-four thousand, five hundred thirty".