121522148 has 24 divisors (see below), whose sum is σ = 232276800. Its totient is φ = 55170720.

The previous prime is 121522129. The next prime is 121522153. The reversal of 121522148 is 841225121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67265 + ... + 69047.

It is an arithmetic number, because the mean of its divisors is an integer number (9678200).

Almost surely, 2^121522148 is an apocalyptic number.

It is an amenable number.

121522148 is a deficient number, since it is larger than the sum of its proper divisors (110754652).

121522148 is a wasteful number, since it uses less digits than its factorization.

121522148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347 (or 3345 counting only the distinct ones).

The product of its digits is 1280, while the sum is 26.

The square root of 121522148 is about 11023.7084504263. The cubic root of 121522148 is about 495.3191806023.

Adding to 121522148 its reverse (841225121), we get a palindrome (962747269).

The spelling of 121522148 in words is "one hundred twenty-one million, five hundred twenty-two thousand, one hundred forty-eight".