121124244133 has 4 divisors (see below), whose sum is σ = 122783480428. Its totient is φ = 119465007840.

The previous prime is 121124244127. The next prime is 121124244151. The reversal of 121124244133 is 331442421121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331442421121 = 7 ⋅47348917303.

It can be written as a sum of positive squares in 2 ways, for example, as 72456795684 + 48667448449 = 269178^2 + 220607^2 .

It is a cyclic number.

It is not a de Polignac number, because 121124244133 - 2⁹ = 121124243621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121124244193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829618038 + ... + 829618183.

It is an arithmetic number, because the mean of its divisors is an integer number (30695870107).

Almost surely, 2^121124244133 is an apocalyptic number.

It is an amenable number.

121124244133 is a deficient number, since it is larger than the sum of its proper divisors (1659236295).

121124244133 is an equidigital number, since it uses as much as digits as its factorization.

121124244133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659236294.

The product of its digits is 4608, while the sum is 28.

Adding to 121124244133 its reverse (331442421121), we get a palindrome (452566665254).

The spelling of 121124244133 in words is "one hundred twenty-one billion, one hundred twenty-four million, two hundred forty-four thousand, one hundred thirty-three".