121419380 has 12 divisors (see below), whose sum is σ = 254980740. Its totient is φ = 48567744.

The previous prime is 121419379. The next prime is 121419383. The reversal of 121419380 is 83914121.

It can be written as a sum of positive squares in 2 ways, for example, as 39589264 + 81830116 = 6292^2 + 9046^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121419383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3035465 + ... + 3035504.

It is an arithmetic number, because the mean of its divisors is an integer number (21248395).

Almost surely, 2^121419380 is an apocalyptic number.

121419380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121419380 is an abundant number, since it is smaller than the sum of its proper divisors (133561360).

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

121419380 is a wasteful number, since it uses less digits than its factorization.

121419380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070978 (or 6070976 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 121419380 is about 11019.0462382186. The cubic root of 121419380 is about 495.1795152046.

The spelling of 121419380 in words is "one hundred twenty-one million, four hundred nineteen thousand, three hundred eighty".