121670544 has 40 divisors (see below), whose sum is σ = 325157760. Its totient is φ = 39157888.

The previous prime is 121670543. The next prime is 121670551. The reversal of 121670544 is 445076121.

It is not an unprimeable number, because it can be changed into a prime (121670543) 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, 42312 + ... + 45095.

It is an arithmetic number, because the mean of its divisors is an integer number (8128944).

Almost surely, 2^121670544 is an apocalyptic number.

It is an amenable number.

121670544 is an abundant number, since it is smaller than the sum of its proper divisors (203487216).

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

121670544 is a wasteful number, since it uses less digits than its factorization.

121670544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87447 (or 87441 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 121670544 is about 11030.4371626876. The cubic root of 121670544 is about 495.5207172144.

The spelling of 121670544 in words is "one hundred twenty-one million, six hundred seventy thousand, five hundred forty-four".