121413400 has 24 divisors (see below), whose sum is σ = 282286620. Its totient is φ = 48565280.

The previous prime is 121413379. The next prime is 121413403. The reversal of 121413400 is 4314121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121413403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 303334 + ... + 303733.

Almost surely, 2^121413400 is an apocalyptic number.

121413400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121413400 is an abundant number, since it is smaller than the sum of its proper divisors (160873220).

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

121413400 is a wasteful number, since it uses less digits than its factorization.

121413400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607083 (or 607074 counting only the distinct ones).

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

The square root of 121413400 is about 11018.7748865289. The cubic root of 121413400 is about 495.1713857442.

Adding to 121413400 its reverse (4314121), we get a palindrome (125727521).

The spelling of 121413400 in words is "one hundred twenty-one million, four hundred thirteen thousand, four hundred".