121340410 has 32 divisors (see below), whose sum is σ = 233228160. Its totient is φ = 45342528.

The previous prime is 121340393. The next prime is 121340411. The reversal of 121340410 is 14043121.

It is not an unprimeable number, because it can be changed into a prime (121340411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3756 + ... + 16024.

It is an arithmetic number, because the mean of its divisors is an integer number (7288380).

Almost surely, 2^121340410 is an apocalyptic number.

121340410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121340410 is a deficient number, since it is larger than the sum of its proper divisors (111887750).

121340410 is a wasteful number, since it uses less digits than its factorization.

121340410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12342.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121340410 is about 11015.4623144015. The cubic root of 121340410 is about 495.0721385868.

Adding to 121340410 its reverse (14043121), we get a palindrome (135383531).

The spelling of 121340410 in words is "one hundred twenty-one million, three hundred forty thousand, four hundred ten".