121867474903 has 4 divisors (see below), whose sum is σ = 121868208448. Its totient is φ = 121866741360.

The previous prime is 121867474879. The next prime is 121867474931. The reversal of 121867474903 is 309474768121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 309474768121 = 71 ⋅4358799551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121867474903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121867474103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14650 + ... + 493912.

It is an arithmetic number, because the mean of its divisors is an integer number (30467052112).

Almost surely, 2^121867474903 is an apocalyptic number.

121867474903 is a deficient number, since it is larger than the sum of its proper divisors (733545).

121867474903 is an equidigital number, since it uses as much as digits as its factorization.

121867474903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733544.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 121867474903 in words is "one hundred twenty-one billion, eight hundred sixty-seven million, four hundred seventy-four thousand, nine hundred three".