1421166059 has 2 divisors, whose sum is σ = 1421166060. Its totient is φ = 1421166058.

The previous prime is 1421166037. The next prime is 1421166101. The reversal of 1421166059 is 9506611241.

It is a weak prime.

It is an emirp because it is prime and its reverse (9506611241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1421166059 - 2⁸ = 1421165803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421106059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710583029 + 710583030.

It is an arithmetic number, because the mean of its divisors is an integer number (710583030).

Almost surely, 2^1421166059 is an apocalyptic number.

1421166059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421166059 is an equidigital number, since it uses as much as digits as its factorization.

1421166059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1421166059 is about 37698.3561843219. The cubic root of 1421166059 is about 1124.2984423314.

The spelling of 1421166059 in words is "one billion, four hundred twenty-one million, one hundred sixty-six thousand, fifty-nine".