121655234 has 24 divisors (see below), whose sum is σ = 194104512. Its totient is φ = 57066240.

The previous prime is 121655231. The next prime is 121655251. The reversal of 121655234 is 432556121.

It is a junction number, because it is equal to n+sod(n) for n = 121655197 and 121655206.

It is not an unprimeable number, because it can be changed into a prime (121655231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630242 + ... + 630434.

It is an arithmetic number, because the mean of its divisors is an integer number (8087688).

Almost surely, 2^121655234 is an apocalyptic number.

121655234 is a deficient number, since it is larger than the sum of its proper divisors (72449278).

121655234 is an equidigital number, since it uses as much as digits as its factorization.

121655234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 289 counting only the distinct ones).

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

The square root of 121655234 is about 11029.7431520412. The cubic root of 121655234 is about 495.4999322866.

The spelling of 121655234 in words is "one hundred twenty-one million, six hundred fifty-five thousand, two hundred thirty-four".