121144047 has 8 divisors (see below), whose sum is σ = 161761920. Its totient is φ = 80644440.

The previous prime is 121144039. The next prime is 121144069. The reversal of 121144047 is 740441121.

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

It is not a de Polignac number, because 121144047 - 2³ = 121144039 is a prime.

It is a super-3 number, since 3×121144047³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121144007) 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, 27147 + ... + 31292.

It is an arithmetic number, because the mean of its divisors is an integer number (20220240).

Almost surely, 2^121144047 is an apocalyptic number.

121144047 is a deficient number, since it is larger than the sum of its proper divisors (40617873).

121144047 is an equidigital number, since it uses as much as digits as its factorization.

121144047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59133.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 121144047 is about 11006.5456433888. The cubic root of 121144047 is about 494.8049389585.

Adding to 121144047 its reverse (740441121), we get a palindrome (861585168).

It can be divided in two parts, 12114 and 4047, that added together give a palindrome (16161).

The spelling of 121144047 in words is "one hundred twenty-one million, one hundred forty-four thousand, forty-seven".