121577852 has 12 divisors (see below), whose sum is σ = 232103256. Its totient is φ = 55262640.

The previous prime is 121577843. The next prime is 121577873. The reversal of 121577852 is 258775121.

It is a congruent number.

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, 1381523 + ... + 1381610.

It is an arithmetic number, because the mean of its divisors is an integer number (19341938).

Almost surely, 2^121577852 is an apocalyptic number.

It is an amenable number.

121577852 is a deficient number, since it is larger than the sum of its proper divisors (110525404).

121577852 is a wasteful number, since it uses less digits than its factorization.

121577852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763148 (or 2763146 counting only the distinct ones).

The product of its digits is 39200, while the sum is 38.

The square root of 121577852 is about 11026.2347154412. The cubic root of 121577852 is about 495.3948514309.

The spelling of 121577852 in words is "one hundred twenty-one million, five hundred seventy-seven thousand, eight hundred fifty-two".