121202122 has 8 divisors (see below), whose sum is σ = 186031296. Its totient is φ = 59191692.

The previous prime is 121202101. The next prime is 121202131. The reversal of 121202122 is 221202121.

It is a happy number.

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

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, 704578 + ... + 704749.

It is an arithmetic number, because the mean of its divisors is an integer number (23253912).

Almost surely, 2^121202122 is an apocalyptic number.

121202122 is a deficient number, since it is larger than the sum of its proper divisors (64829174).

121202122 is a wasteful number, since it uses less digits than its factorization.

121202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409372.

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

The square root of 121202122 is about 11009.1835301261. The cubic root of 121202122 is about 494.8839941739.

Adding to 121202122 its reverse (221202121), we get a palindrome (342404243).

Subtracting 121202122 from its reverse (221202121), we obtain a palindrome (99999999).

The spelling of 121202122 in words is "one hundred twenty-one million, two hundred two thousand, one hundred twenty-two".