940121443 has 2 divisors, whose sum is σ = 940121444. Its totient is φ = 940121442.

The previous prime is 940121423. The next prime is 940121453. The reversal of 940121443 is 344121049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 940121443 - 2⁵ = 940121411 is a prime.

It is not a weakly prime, because it can be changed into another prime (940121423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470060721 + 470060722.

It is an arithmetic number, because the mean of its divisors is an integer number (470060722).

Almost surely, 2^940121443 is an apocalyptic number.

940121443 is a deficient number, since it is larger than the sum of its proper divisors (1).

940121443 is an equidigital number, since it uses as much as digits as its factorization.

940121443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 940121443 is about 30661.3998865022. The cubic root of 940121443 is about 979.6282926705.

The spelling of 940121443 in words is "nine hundred forty million, one hundred twenty-one thousand, four hundred forty-three".