121402650401 has 8 divisors (see below), whose sum is σ = 127878117600. Its totient is φ = 114935768640.

The previous prime is 121402650389. The next prime is 121402650403. The reversal of 121402650401 is 104056204121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121402650401 - 2²² = 121398456097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121402650403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2117315 + ... + 2173896.

It is an arithmetic number, because the mean of its divisors is an integer number (15984764700).

Almost surely, 2^121402650401 is an apocalyptic number.

It is an amenable number.

121402650401 is a deficient number, since it is larger than the sum of its proper divisors (6475467199).

121402650401 is a wasteful number, since it uses less digits than its factorization.

121402650401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292719.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 121402650401 its reverse (104056204121), we get a palindrome (225458854522).

The spelling of 121402650401 in words is "one hundred twenty-one billion, four hundred two million, six hundred fifty thousand, four hundred one".