121454636 has 12 divisors (see below), whose sum is σ = 212624328. Its totient is φ = 60704832.

The previous prime is 121454617. The next prime is 121454657. The reversal of 121454636 is 636454121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14660 + ... + 21396.

It is an arithmetic number, because the mean of its divisors is an integer number (17718694).

Almost surely, 2^121454636 is an apocalyptic number.

It is an amenable number.

121454636 is a deficient number, since it is larger than the sum of its proper divisors (91169692).

121454636 is a wasteful number, since it uses less digits than its factorization.

121454636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248 (or 11246 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 121454636 is about 11020.6458975869. The cubic root of 121454636 is about 495.2274382504.

The spelling of 121454636 in words is "one hundred twenty-one million, four hundred fifty-four thousand, six hundred thirty-six".