121210160 has 40 divisors (see below), whose sum is σ = 283280976. Its totient is φ = 48231680.

The previous prime is 121210157. The next prime is 121210181. The reversal of 121210160 is 61012121.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11915 + ... + 19605.

Almost surely, 2^121210160 is an apocalyptic number.

121210160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121210160 is an abundant number, since it is smaller than the sum of its proper divisors (162070816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121210160 is a wasteful number, since it uses less digits than its factorization.

121210160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901 (or 7895 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 121210160 is about 11009.5485829347. The cubic root of 121210160 is about 494.8949339978.

Adding to 121210160 its reverse (61012121), we get a palindrome (182222281).

The spelling of 121210160 in words is "one hundred twenty-one million, two hundred ten thousand, one hundred sixty".