121402201 has 8 divisors (see below), whose sum is σ = 124755840. Its totient is φ = 118072752.

The previous prime is 121402199. The next prime is 121402213. The reversal of 121402201 is 102204121.

It is a happy number.

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 121402201 - 2¹ = 121402199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121402301) 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, 4371 + ... + 16183.

It is an arithmetic number, because the mean of its divisors is an integer number (15594480).

Almost surely, 2^121402201 is an apocalyptic number.

It is an amenable number.

121402201 is a deficient number, since it is larger than the sum of its proper divisors (3353639).

121402201 is a wasteful number, since it uses less digits than its factorization.

121402201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12095.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 121402201 is about 11018.2666967178. The cubic root of 121402201 is about 495.1561606404.

Adding to 121402201 its reverse (102204121), we get a palindrome (223606322).

It can be divided in two parts, 12140 and 2201, that added together give a palindrome (14341).

The spelling of 121402201 in words is "one hundred twenty-one million, four hundred two thousand, two hundred one".