121085458 has 32 divisors (see below), whose sum is σ = 208459440. Its totient is φ = 52565760.

The previous prime is 121085453. The next prime is 121085477. The reversal of 121085458 is 854580121.

It can be written as a sum of positive squares in 8 ways, for example, as 1117249 + 119968209 = 1057^2 + 10953^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (121085453) 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, 73888 + ... + 75508.

Almost surely, 2^121085458 is an apocalyptic number.

121085458 is a deficient number, since it is larger than the sum of its proper divisors (87373982).

121085458 is a wasteful number, since it uses less digits than its factorization.

121085458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 34.

The square root of 121085458 is about 11003.8837689245. The cubic root of 121085458 is about 494.7251584492.

It can be divided in two parts, 1210 and 85458, that added together give a palindrome (86668).

The spelling of 121085458 in words is "one hundred twenty-one million, eighty-five thousand, four hundred fifty-eight".