121548126 has 24 divisors (see below), whose sum is σ = 282786120. Its totient is φ = 34727952.

The previous prime is 121548121. The next prime is 121548127. The reversal of 121548126 is 621845121.

It is a super-2 number, since 2×121548126² = 29547893868223752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121548093 and 121548102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121548121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206421 + ... + 207008.

It is an arithmetic number, because the mean of its divisors is an integer number (11782755).

Almost surely, 2^121548126 is an apocalyptic number.

121548126 is an abundant number, since it is smaller than the sum of its proper divisors (161237994).

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

121548126 is a wasteful number, since it uses less digits than its factorization.

121548126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413448 (or 413441 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 121548126 is about 11024.8866660841. The cubic root of 121548126 is about 495.3544731672.

The spelling of 121548126 in words is "one hundred twenty-one million, five hundred forty-eight thousand, one hundred twenty-six".