121255323 has 16 divisors (see below), whose sum is σ = 184924416. Its totient is φ = 69230880.

The previous prime is 121255319. The next prime is 121255331. The reversal of 121255323 is 323552121.

It is a happy number.

It is not a de Polignac number, because 121255323 - 2² = 121255319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121255293 and 121255302.

It is not an unprimeable number, because it can be changed into a prime (121255363) 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, 44953 + ... + 47573.

It is an arithmetic number, because the mean of its divisors is an integer number (11557776).

Almost surely, 2^121255323 is an apocalyptic number.

121255323 is a deficient number, since it is larger than the sum of its proper divisors (63669093).

121255323 is a wasteful number, since it uses less digits than its factorization.

121255323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834.

The product of its digits is 1800, while the sum is 24.

The square root of 121255323 is about 11011.5994750990. The cubic root of 121255323 is about 494.9563924446.

The spelling of 121255323 in words is "one hundred twenty-one million, two hundred fifty-five thousand, three hundred twenty-three".