121121283 has 8 divisors (see below), whose sum is σ = 161828608. Its totient is φ = 80580744.

The previous prime is 121121269. The next prime is 121121293. The reversal of 121121283 is 382121121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121121283 - 2⁵ = 121121251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39991 + ... + 42912.

It is an arithmetic number, because the mean of its divisors is an integer number (20228576).

Almost surely, 2^121121283 is an apocalyptic number.

121121283 is a deficient number, since it is larger than the sum of its proper divisors (40707325).

121121283 is an equidigital number, since it uses as much as digits as its factorization.

121121283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83393.

The product of its digits is 192, while the sum is 21.

The square root of 121121283 is about 11005.5114828889. The cubic root of 121121283 is about 494.7739443272.

It can be divided in two parts, 121121 and 283, that multiplied together give a palindrome (34277243).

The spelling of 121121283 in words is "one hundred twenty-one million, one hundred twenty-one thousand, two hundred eighty-three".