121360603 has 32 divisors (see below), whose sum is σ = 161481600. Its totient is φ = 90316800.

The previous prime is 121360583. The next prime is 121360607. The reversal of 121360603 is 306063121.

It is not a de Polignac number, because 121360603 - 2¹⁷ = 121229531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121360607) 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 31 ways as a sum of consecutive naturals, for example, 75003 + ... + 76603.

It is an arithmetic number, because the mean of its divisors is an integer number (5046300).

Almost surely, 2^121360603 is an apocalyptic number.

121360603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121360603 is a deficient number, since it is larger than the sum of its proper divisors (40120997).

121360603 is a wasteful number, since it uses less digits than its factorization.

121360603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 121360603 is about 11016.3788515101. The cubic root of 121360603 is about 495.0995997247.

It can be divided in two parts, 1213 and 60603, that added together give a palindrome (61816).

The spelling of 121360603 in words is "one hundred twenty-one million, three hundred sixty thousand, six hundred three".