121340000 has 60 divisors (see below), whose sum is σ = 298563804. Its totient is φ = 48528000.

The previous prime is 121339997. The next prime is 121340003. The reversal of 121340000 is 43121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121339997) and next prime (121340003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121340003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16967 + ... + 23033.

Almost surely, 2^121340000 is an apocalyptic number.

121340000 is a gapful number since it is divisible by the number (10) 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 121340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149281902).

121340000 is an abundant number, since it is smaller than the sum of its proper divisors (177223804).

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

121340000 is an frugal number, since it uses more digits than its factorization.

121340000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6097 (or 6074 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 121340000 is about 11015.4437041819. The cubic root of 121340000 is about 495.0715809825.

Adding to 121340000 its reverse (43121), we get a palindrome (121383121).

The spelling of 121340000 in words is "one hundred twenty-one million, three hundred forty thousand".