121526066 has 16 divisors (see below), whose sum is σ = 196776000. Its totient is φ = 56116368.

The previous prime is 121526063. The next prime is 121526087. The reversal of 121526066 is 660625121.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121526063) 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, 44216 + ... + 46883.

It is an arithmetic number, because the mean of its divisors is an integer number (12298500).

Almost surely, 2^121526066 is an apocalyptic number.

121526066 is a deficient number, since it is larger than the sum of its proper divisors (75249934).

121526066 is a wasteful number, since it uses less digits than its factorization.

121526066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91153.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 121526066 is about 11023.8861568868. The cubic root of 121526066 is about 495.3245037463.

The spelling of 121526066 in words is "one hundred twenty-one million, five hundred twenty-six thousand, sixty-six".