144210121 has 8 divisors (see below), whose sum is σ = 158191488. Its totient is φ = 130374000.

The previous prime is 144210119. The next prime is 144210139. The reversal of 144210121 is 121012441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 144210121 - 2¹ = 144210119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144210095 and 144210104.

It is not an unprimeable number, because it can be changed into a prime (144219121) 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, 34225 + ... + 38206.

It is an arithmetic number, because the mean of its divisors is an integer number (19773936).

Almost surely, 2^144210121 is an apocalyptic number.

144210121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144210121 is a deficient number, since it is larger than the sum of its proper divisors (13981367).

144210121 is a wasteful number, since it uses less digits than its factorization.

144210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72623.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 144210121 is about 12008.7518502132. The cubic root of 144210121 is about 524.4030960534.

Adding to 144210121 its reverse (121012441), we get a palindrome (265222562).

The spelling of 144210121 in words is "one hundred forty-four million, two hundred ten thousand, one hundred twenty-one".