121254133 has 32 divisors (see below), whose sum is σ = 168456960. Its totient is φ = 84188160.

The previous prime is 121254131. The next prime is 121254151. The reversal of 121254133 is 331452121.

It is a happy number.

It is not a de Polignac number, because 121254133 - 2¹ = 121254131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121254131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26941 + ... + 31117.

It is an arithmetic number, because the mean of its divisors is an integer number (5264280).

Almost surely, 2^121254133 is an apocalyptic number.

121254133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121254133 is a deficient number, since it is larger than the sum of its proper divisors (47202827).

121254133 is a wasteful number, since it uses less digits than its factorization.

121254133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237.

The product of its digits is 720, while the sum is 22.

The square root of 121254133 is about 11011.5454410360. The cubic root of 121254133 is about 494.9547732716.

The spelling of 121254133 in words is "one hundred twenty-one million, two hundred fifty-four thousand, one hundred thirty-three".