121401341404 has 18 divisors (see below), whose sum is σ = 247138445400. Its totient is φ = 52029146232.

The previous prime is 121401341381. The next prime is 121401341441. The reversal of 121401341404 is 404143104121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309697104 + ... + 309697495.

Almost surely, 2^121401341404 is an apocalyptic number.

121401341404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121401341404 is an abundant number, since it is smaller than the sum of its proper divisors (125737103996).

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

121401341404 is a wasteful number, since it uses less digits than its factorization.

121401341404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619394617 (or 619394608 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 121401341404 its reverse (404143104121), we get a palindrome (525544445525).

The spelling of 121401341404 in words is "one hundred twenty-one billion, four hundred one million, three hundred forty-one thousand, four hundred four".