121548481 has 8 divisors (see below), whose sum is σ = 122760000. Its totient is φ = 120341520.

The previous prime is 121548467. The next prime is 121548499. The reversal of 121548481 is 184845121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121548481 - 2¹¹ = 121546433 is a prime.

It is a super-2 number, since 2×121548481² = 29548066466814722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121548421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77695 + ... + 79243.

It is an arithmetic number, because the mean of its divisors is an integer number (15345000).

Almost surely, 2^121548481 is an apocalyptic number.

It is an amenable number.

121548481 is a deficient number, since it is larger than the sum of its proper divisors (1211519).

121548481 is a wasteful number, since it uses less digits than its factorization.

121548481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279.

The product of its digits is 10240, while the sum is 34.

The square root of 121548481 is about 11024.9027660111. The cubic root of 121548481 is about 495.3549554197.

The spelling of 121548481 in words is "one hundred twenty-one million, five hundred forty-eight thousand, four hundred eighty-one".