121361064 has 144 divisors (see below), whose sum is σ = 353035200. Its totient is φ = 34731840.

The previous prime is 121361033. The next prime is 121361077. The reversal of 121361064 is 460163121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1536177 + ... + 1536255.

Almost surely, 2^121361064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121361064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176517600).

121361064 is an abundant number, since it is smaller than the sum of its proper divisors (231674136).

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

121361064 is a wasteful number, since it uses less digits than its factorization.

121361064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 121361064 is about 11016.3997748811. The cubic root of 121361064 is about 495.1002266185.

The spelling of 121361064 in words is "one hundred twenty-one million, three hundred sixty-one thousand, sixty-four".