121583003 has 2 divisors, whose sum is σ = 121583004. Its totient is φ = 121583002.

The previous prime is 121582939. The next prime is 121583009. The reversal of 121583003 is 300385121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121583003 - 2⁶ = 121582939 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121583003.

It is not a weakly prime, because it can be changed into another prime (121583009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60791501 + 60791502.

It is an arithmetic number, because the mean of its divisors is an integer number (60791502).

Almost surely, 2^121583003 is an apocalyptic number.

121583003 is a deficient number, since it is larger than the sum of its proper divisors (1).

121583003 is an equidigital number, since it uses as much as digits as its factorization.

121583003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 121583003 is about 11026.4682922502. The cubic root of 121583003 is about 495.4018476143.

The spelling of 121583003 in words is "one hundred twenty-one million, five hundred eighty-three thousand, three".