121352258 has 4 divisors (see below), whose sum is σ = 182028390. Its totient is φ = 60676128.

The previous prime is 121352249. The next prime is 121352263. The reversal of 121352258 is 852253121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 111661489 + 9690769 = 10567^2 + 3113^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121352258.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30338063 + ... + 30338066.

Almost surely, 2^121352258 is an apocalyptic number.

121352258 is a deficient number, since it is larger than the sum of its proper divisors (60676132).

121352258 is an equidigital number, since it uses as much as digits as its factorization.

121352258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60676131.

The product of its digits is 4800, while the sum is 29.

The square root of 121352258 is about 11016.0000907771. Note that the first 4 decimals coincide. The cubic root of 121352258 is about 495.0882514487.

The spelling of 121352258 in words is "one hundred twenty-one million, three hundred fifty-two thousand, two hundred fifty-eight".