121254608 has 20 divisors (see below), whose sum is σ = 248750820. Its totient is φ = 57060864.

The previous prime is 121254583. The next prime is 121254611. The reversal of 121254608 is 806452121.

It can be written as a sum of positive squares in 2 ways, for example, as 111344704 + 9909904 = 10552^2 + 3148^2 .

It is a super-2 number, since 2×121254608² = 29405359922467328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222623 + ... + 223166.

It is an arithmetic number, because the mean of its divisors is an integer number (12437541).

Almost surely, 2^121254608 is an apocalyptic number.

It is an amenable number.

121254608 is an abundant number, since it is smaller than the sum of its proper divisors (127496212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121254608 is a wasteful number, since it uses less digits than its factorization.

121254608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445814 (or 445808 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 121254608 is about 11011.5670092862. The cubic root of 121254608 is about 494.9554195814.

The spelling of 121254608 in words is "one hundred twenty-one million, two hundred fifty-four thousand, six hundred eight".