40141121 has 2 divisors, whose sum is σ = 40141122. Its totient is φ = 40141120.

The previous prime is 40141109. The next prime is 40141139. The reversal of 40141121 is 12114104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37994896 + 2146225 = 6164^2 + 1465^2 .

It is a cyclic number.

It is not a de Polignac number, because 40141121 - 2¹⁴ = 40124737 is a prime.

It is a super-2 number, since 2×40141121² = 3222619190273282, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40141096 and 40141105.

It is not a weakly prime, because it can be changed into another prime (40141421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20070560 + 20070561.

It is an arithmetic number, because the mean of its divisors is an integer number (20070561).

Almost surely, 2^40141121 is an apocalyptic number.

It is an amenable number.

40141121 is a deficient number, since it is larger than the sum of its proper divisors (1).

40141121 is an equidigital number, since it uses as much as digits as its factorization.

40141121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 40141121 is about 6335.7020921126. The cubic root of 40141121 is about 342.3969064750.

Adding to 40141121 its reverse (12114104), we get a palindrome (52255225).

The spelling of 40141121 in words is "forty million, one hundred forty-one thousand, one hundred twenty-one".