121103487 has 12 divisors (see below), whose sum is σ = 182533104. Its totient is φ = 77225280.

The previous prime is 121103467. The next prime is 121103491. The reversal of 121103487 is 784301121.

It is not a de Polignac number, because 121103487 - 2¹¹ = 121101439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121103487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292314 + ... + 292727.

It is an arithmetic number, because the mean of its divisors is an integer number (15211092).

Almost surely, 2^121103487 is an apocalyptic number.

121103487 is a deficient number, since it is larger than the sum of its proper divisors (61429617).

121103487 is a wasteful number, since it uses less digits than its factorization.

121103487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585070 (or 585067 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 121103487 is about 11004.7029491940. The cubic root of 121103487 is about 494.7497112385.

It can be divided in two parts, 1211034 and 87, that added together give a palindrome (1211121).

The spelling of 121103487 in words is "one hundred twenty-one million, one hundred three thousand, four hundred eighty-seven".