121049313 has 32 divisors (see below), whose sum is σ = 202106880. Its totient is φ = 62607360.

The previous prime is 121049281. The next prime is 121049347. The reversal of 121049313 is 313940121.

It is not a de Polignac number, because 121049313 - 2⁵ = 121049281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121049363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58348 + ... + 60386.

It is an arithmetic number, because the mean of its divisors is an integer number (6315840).

Almost surely, 2^121049313 is an apocalyptic number.

It is an amenable number.

121049313 is a deficient number, since it is larger than the sum of its proper divisors (81057567).

121049313 is a wasteful number, since it uses less digits than its factorization.

121049313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 121049313 is about 11002.2412716682. The cubic root of 121049313 is about 494.6759270475.

Adding to 121049313 its reverse (313940121), we get a palindrome (434989434).

The spelling of 121049313 in words is "one hundred twenty-one million, forty-nine thousand, three hundred thirteen".