121283253 has 96 divisors (see below), whose sum is σ = 236500992. Its totient is φ = 58060800.

The previous prime is 121283243. The next prime is 121283269. The reversal of 121283253 is 352382121.

It is not a de Polignac number, because 121283253 - 2⁹ = 121282741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121283203) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 431473 + ... + 431753.

It is an arithmetic number, because the mean of its divisors is an integer number (2463552).

Almost surely, 2^121283253 is an apocalyptic number.

121283253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121283253 is a deficient number, since it is larger than the sum of its proper divisors (115217739).

121283253 is a wasteful number, since it uses less digits than its factorization.

121283253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 352 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 121283253 is about 11012.8676102094. The cubic root of 121283253 is about 494.9943923454.

The spelling of 121283253 in words is "one hundred twenty-one million, two hundred eighty-three thousand, two hundred fifty-three".