121121162 has 32 divisors (see below), whose sum is σ = 198201600. Its totient is φ = 55323648.

The previous prime is 121121129. The next prime is 121121167. The reversal of 121121162 is 261121121.

It is a self number, because there is not a number n which added to its sum of digits gives 121121162.

It is not an unprimeable number, because it can be changed into a prime (121121167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129914 + ... + 130842.

It is an arithmetic number, because the mean of its divisors is an integer number (6193800).

Almost surely, 2^121121162 is an apocalyptic number.

121121162 is a deficient number, since it is larger than the sum of its proper divisors (77080438).

121121162 is a wasteful number, since it uses less digits than its factorization.

121121162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070.

The product of its digits is 48, while the sum is 17.

The square root of 121121162 is about 11005.5059856419. The cubic root of 121121162 is about 494.7737795676.

Adding to 121121162 its reverse (261121121), we get a palindrome (382242283).

The spelling of 121121162 in words is "one hundred twenty-one million, one hundred twenty-one thousand, one hundred sixty-two".