121258229 has 8 divisors (see below), whose sum is σ = 128518488. Its totient is φ = 114012160.

The previous prime is 121258219. The next prime is 121258253. The reversal of 121258229 is 922852121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21298225 + 99960004 = 4615^2 + 9998^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121258229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121258195 and 121258204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121258219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17759 + ... + 23619.

It is an arithmetic number, because the mean of its divisors is an integer number (16064811).

Almost surely, 2^121258229 is an apocalyptic number.

It is an amenable number.

121258229 is a deficient number, since it is larger than the sum of its proper divisors (7260259).

121258229 is a wasteful number, since it uses less digits than its factorization.

121258229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7095.

The product of its digits is 5760, while the sum is 32.

The square root of 121258229 is about 11011.7314260746. The cubic root of 121258229 is about 494.9603464477.

The spelling of 121258229 in words is "one hundred twenty-one million, two hundred fifty-eight thousand, two hundred twenty-nine".