121036664 has 48 divisors (see below), whose sum is σ = 266123880. Its totient is φ = 51455040.

The previous prime is 121036661. The next prime is 121036667. The reversal of 121036664 is 466630121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121036661) and next prime (121036667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121036661) 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, 50174 + ... + 52530.

Almost surely, 2^121036664 is an apocalyptic number.

121036664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121036664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133061940).

121036664 is an abundant number, since it is smaller than the sum of its proper divisors (145087216).

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

121036664 is a wasteful number, since it uses less digits than its factorization.

121036664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508 (or 2497 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 121036664 is about 11001.6664192294. Note that the first 3 decimals coincide. The cubic root of 121036664 is about 494.6586961257.

Adding to 121036664 its reverse (466630121), we get a palindrome (587666785).

The spelling of 121036664 in words is "one hundred twenty-one million, thirty-six thousand, six hundred sixty-four".