121089413 has 8 divisors (see below), whose sum is σ = 131858400. Its totient is φ = 110760048.

The previous prime is 121089403. The next prime is 121089427. The reversal of 121089413 is 314980121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121089413 - 2⁶ = 121089349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121089403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109331 + ... + 110432.

It is an arithmetic number, because the mean of its divisors is an integer number (16482300).

Almost surely, 2^121089413 is an apocalyptic number.

It is an amenable number.

121089413 is a deficient number, since it is larger than the sum of its proper divisors (10768987).

121089413 is a wasteful number, since it uses less digits than its factorization.

121089413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219811.

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

The square root of 121089413 is about 11004.0634767344. The cubic root of 121089413 is about 494.7305447736.

The spelling of 121089413 in words is "one hundred twenty-one million, eighty-nine thousand, four hundred thirteen".