121583049 has 16 divisors (see below), whose sum is σ = 185425920. Its totient is φ = 69417360.

The previous prime is 121583041. The next prime is 121583057. The reversal of 121583049 is 940385121.

It is an interprime number because it is at equal distance from previous prime (121583041) and next prime (121583057).

It is not a de Polignac number, because 121583049 - 2³ = 121583041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121583041) 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 15 ways as a sum of consecutive naturals, for example, 40792 + ... + 43670.

It is an arithmetic number, because the mean of its divisors is an integer number (11589120).

Almost surely, 2^121583049 is an apocalyptic number.

It is an amenable number.

121583049 is a deficient number, since it is larger than the sum of its proper divisors (63842871).

121583049 is a wasteful number, since it uses less digits than its factorization.

121583049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 121583049 is about 11026.4703781401. The cubic root of 121583049 is about 495.4019100914.

The spelling of 121583049 in words is "one hundred twenty-one million, five hundred eighty-three thousand, forty-nine".