20141121 has 64 divisors (see below), whose sum is σ = 38062080. Its totient is φ = 9123840.

The previous prime is 20141111. The next prime is 20141153. The reversal of 20141121 is 12114102.

20141121 = 169² + 170² + ... + 402².

It is a happy number.

It is not a de Polignac number, because 20141121 - 2⁵ = 20141089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20141097 and 20141106.

It is not an unprimeable number, because it can be changed into a prime (20141101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56881 + ... + 57233.

It is an arithmetic number, because the mean of its divisors is an integer number (594720).

Almost surely, 2^20141121 is an apocalyptic number.

20141121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20141121 is a deficient number, since it is larger than the sum of its proper divisors (17920959).

20141121 is a wasteful number, since it uses less digits than its factorization.

20141121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 20141121 is about 4487.8860279646. The cubic root of 20141121 is about 272.0787014547.

Adding to 20141121 its reverse (12114102), we get a palindrome (32255223).

It can be divided in two parts, 20 and 141121, that added together give a palindrome (141141).

The spelling of 20141121 in words is "twenty million, one hundred forty-one thousand, one hundred twenty-one".