121402104 has 16 divisors (see below), whose sum is σ = 303505320. Its totient is φ = 40467360.

The previous prime is 121402067. The next prime is 121402111. The reversal of 121402104 is 401204121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2529187 + ... + 2529234.

Almost surely, 2^121402104 is an apocalyptic number.

It is an amenable number.

121402104 is an abundant number, since it is smaller than the sum of its proper divisors (182103216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121402104 is a wasteful number, since it uses less digits than its factorization.

121402104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058430 (or 5058426 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 121402104 is about 11018.2622949356. The cubic root of 121402104 is about 495.1560287643.

Adding to 121402104 its reverse (401204121), we get a palindrome (522606225).

The spelling of 121402104 in words is "one hundred twenty-one million, four hundred two thousand, one hundred four".