121466644 has 24 divisors (see below), whose sum is σ = 229221608. Its totient is φ = 55987200.

The previous prime is 121466617. The next prime is 121466669. The reversal of 121466644 is 446664121.

It can be written as a sum of positive squares in 4 ways, for example, as 14592400 + 106874244 = 3820^2 + 10338^2 .

It is a congruent number.

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, 66544 + ... + 68344.

Almost surely, 2^121466644 is an apocalyptic number.

It is an amenable number.

121466644 is a deficient number, since it is larger than the sum of its proper divisors (107754964).

121466644 is a wasteful number, since it uses less digits than its factorization.

121466644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115 (or 3113 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 121466644 is about 11021.1906797768. The cubic root of 121466644 is about 495.2437584594.

The spelling of 121466644 in words is "one hundred twenty-one million, four hundred sixty-six thousand, six hundred forty-four".