121210162 has 4 divisors (see below), whose sum is σ = 181815246. Its totient is φ = 60605080.

The previous prime is 121210157. The next prime is 121210181. The reversal of 121210162 is 261012121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 115541001 + 5669161 = 10749^2 + 2381^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30302539 + ... + 30302542.

Almost surely, 2^121210162 is an apocalyptic number.

121210162 is a deficient number, since it is larger than the sum of its proper divisors (60605084).

121210162 is an equidigital number, since it uses as much as digits as its factorization.

121210162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60605083.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 121210162 is about 11009.5486737650. The cubic root of 121210162 is about 494.8949367198.

Adding to 121210162 its reverse (261012121), we get a palindrome (382222283).

The spelling of 121210162 in words is "one hundred twenty-one million, two hundred ten thousand, one hundred sixty-two".