121141005 has 16 divisors (see below), whose sum is σ = 194166720. Its totient is φ = 64494848.

The previous prime is 121141003. The next prime is 121141037. The reversal of 121141005 is 500141121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121141005 - 2¹ = 121141003 is a prime.

It is a super-3 number, since 3×121141005³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121141003) 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, 2086 + ... + 15704.

It is an arithmetic number, because the mean of its divisors is an integer number (12135420).

Almost surely, 2^121141005 is an apocalyptic number.

121141005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121141005 is a deficient number, since it is larger than the sum of its proper divisors (73025715).

121141005 is a wasteful number, since it uses less digits than its factorization.

121141005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14220.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 121141005 is about 11006.4074520254. The cubic root of 121141005 is about 494.8007973072.

Adding to 121141005 its reverse (500141121), we get a palindrome (621282126).

The spelling of 121141005 in words is "one hundred twenty-one million, one hundred forty-one thousand, five".