40677121 has 2 divisors, whose sum is σ = 40677122. Its totient is φ = 40677120.

The previous prime is 40677089. The next prime is 40677127. The reversal of 40677121 is 12177604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20830096 + 19847025 = 4564^2 + 4455^2 .

It is a cyclic number.

It is not a de Polignac number, because 40677121 - 2⁵ = 40677089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40677121.

It is not a weakly prime, because it can be changed into another prime (40677127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20338560 + 20338561.

It is an arithmetic number, because the mean of its divisors is an integer number (20338561).

Almost surely, 2^40677121 is an apocalyptic number.

It is an amenable number.

40677121 is a deficient number, since it is larger than the sum of its proper divisors (1).

40677121 is an equidigital number, since it uses as much as digits as its factorization.

40677121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 40677121 is about 6377.8617890324. The cubic root of 40677121 is about 343.9141692524.

The spelling of 40677121 in words is "forty million, six hundred seventy-seven thousand, one hundred twenty-one".