121061356 has 24 divisors (see below), whose sum is σ = 233722944. Its totient is φ = 54510720.

The previous prime is 121061329. The next prime is 121061371. The reversal of 121061356 is 653160121.

It is a self number, because there is not a number n which added to its sum of digits gives 121061356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26260 + ... + 30523.

It is an arithmetic number, because the mean of its divisors is an integer number (9738456).

Almost surely, 2^121061356 is an apocalyptic number.

It is an amenable number.

121061356 is a deficient number, since it is larger than the sum of its proper divisors (112661588).

121061356 is a wasteful number, since it uses less digits than its factorization.

121061356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56841 (or 56839 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 121061356 is about 11002.7885556344. The cubic root of 121061356 is about 494.6923313390.

The spelling of 121061356 in words is "one hundred twenty-one million, sixty-one thousand, three hundred fifty-six".