121254534 has 48 divisors (see below), whose sum is σ = 267754032. Its totient is φ = 39651264.

The previous prime is 121254521. The next prime is 121254541. The reversal of 121254534 is 435452121.

121254534 is a `hidden beast` number, since 1 + 2 + 125 + 4 + 534 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 121254498 and 121254507.

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 413692 + ... + 413984.

It is an arithmetic number, because the mean of its divisors is an integer number (5578209).

Almost surely, 2^121254534 is an apocalyptic number.

121254534 is an abundant number, since it is smaller than the sum of its proper divisors (146499498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121254534 is a wasteful number, since it uses less digits than its factorization.

121254534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 658 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 121254534 is about 11011.5636491826. The cubic root of 121254534 is about 494.9553188932.

The spelling of 121254534 in words is "one hundred twenty-one million, two hundred fifty-four thousand, five hundred thirty-four".