121146419 has 4 divisors (see below), whose sum is σ = 125054400. Its totient is φ = 117238440.

The previous prime is 121146409. The next prime is 121146439. The reversal of 121146419 is 914641121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914641121 = 29 ⋅31539349.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121146419 is a prime.

It is a super-3 number, since 3×121146419³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121146391 and 121146400.

It is not an unprimeable number, because it can be changed into a prime (121146409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1953944 + ... + 1954005.

It is an arithmetic number, because the mean of its divisors is an integer number (31263600).

Almost surely, 2^121146419 is an apocalyptic number.

121146419 is a deficient number, since it is larger than the sum of its proper divisors (3907981).

121146419 is an equidigital number, since it uses as much as digits as its factorization.

121146419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907980.

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

The square root of 121146419 is about 11006.6533969232. The cubic root of 121146419 is about 494.8081683638.

The spelling of 121146419 in words is "one hundred twenty-one million, one hundred forty-six thousand, four hundred nineteen".