121455086 has 16 divisors (see below), whose sum is σ = 188510208. Its totient is φ = 58627800.

The previous prime is 121455077. The next prime is 121455107. The reversal of 121455086 is 680554121.

It is a congruent number.

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, 26591 + ... + 30821.

It is an arithmetic number, because the mean of its divisors is an integer number (11781888).

Almost surely, 2^121455086 is an apocalyptic number.

121455086 is a deficient number, since it is larger than the sum of its proper divisors (67055122).

121455086 is a wasteful number, since it uses less digits than its factorization.

121455086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 121455086 is about 11020.6663137943. Note that the first 3 decimals coincide. The cubic root of 121455086 is about 495.2280498699.

The spelling of 121455086 in words is "one hundred twenty-one million, four hundred fifty-five thousand, eighty-six".