121522552 has 8 divisors (see below), whose sum is σ = 227854800. Its totient is φ = 60761272.

The previous prime is 121522549. The next prime is 121522561. The reversal of 121522552 is 255225121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7595152 + ... + 7595167.

It is an arithmetic number, because the mean of its divisors is an integer number (28481850).

Almost surely, 2^121522552 is an apocalyptic number.

It is an amenable number.

121522552 is a deficient number, since it is larger than the sum of its proper divisors (106332248).

121522552 is a wasteful number, since it uses less digits than its factorization.

121522552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15190325 (or 15190321 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 121522552 is about 11023.7267745532. The cubic root of 121522552 is about 495.3197294974.

Adding to 121522552 its reverse (255225121), we get a palindrome (376747673).

The spelling of 121522552 in words is "one hundred twenty-one million, five hundred twenty-two thousand, five hundred fifty-two".