121255634 has 8 divisors (see below), whose sum is σ = 182020608. Its totient is φ = 60582100.

The previous prime is 121255627. The next prime is 121255637. The reversal of 121255634 is 436552121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121255597 and 121255606.

It is not an unprimeable number, because it can be changed into a prime (121255637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19442 + ... + 24909.

It is an arithmetic number, because the mean of its divisors is an integer number (22752576).

Almost surely, 2^121255634 is an apocalyptic number.

121255634 is a deficient number, since it is larger than the sum of its proper divisors (60764974).

121255634 is a wasteful number, since it uses less digits than its factorization.

121255634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45720.

The product of its digits is 7200, while the sum is 29.

The square root of 121255634 is about 11011.6135965625. The cubic root of 121255634 is about 494.9568156048.

The spelling of 121255634 in words is "one hundred twenty-one million, two hundred fifty-five thousand, six hundred thirty-four".