121080836 has 12 divisors (see below), whose sum is σ = 216400128. Its totient is φ = 59252232.

The previous prime is 121080833. The next prime is 121080847. The reversal of 121080836 is 638080121.

It is a junction number, because it is equal to n+sod(n) for n = 121080799 and 121080808.

It is not an unprimeable number, because it can be changed into a prime (121080833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321836 + ... + 322211.

It is an arithmetic number, because the mean of its divisors is an integer number (18033344).

Almost surely, 2^121080836 is an apocalyptic number.

It is an amenable number.

121080836 is a deficient number, since it is larger than the sum of its proper divisors (95319292).

121080836 is a wasteful number, since it uses less digits than its factorization.

121080836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644098 (or 644096 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 121080836 is about 11003.6737501618. The cubic root of 121080836 is about 494.7188635871.

The spelling of 121080836 in words is "one hundred twenty-one million, eighty thousand, eight hundred thirty-six".