121102664 has 8 divisors (see below), whose sum is σ = 227067510. Its totient is φ = 60551328.

The previous prime is 121102661. The next prime is 121102669. The reversal of 121102664 is 466201121.

It can be written as a sum of positive squares in only one way, i.e., 115390564 + 5712100 = 10742^2 + 2390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (121102661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7568909 + ... + 7568924.

Almost surely, 2^121102664 is an apocalyptic number.

It is an amenable number.

121102664 is a deficient number, since it is larger than the sum of its proper divisors (105964846).

121102664 is a wasteful number, since it uses less digits than its factorization.

121102664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15137839 (or 15137835 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 121102664 is about 11004.6655560267. The cubic root of 121102664 is about 494.7485904892.

Adding to 121102664 its reverse (466201121), we get a palindrome (587303785).

The spelling of 121102664 in words is "one hundred twenty-one million, one hundred two thousand, six hundred sixty-four".