94212091 has 2 divisors, whose sum is σ = 94212092. Its totient is φ = 94212090.

The previous prime is 94212077. The next prime is 94212103. The reversal of 94212091 is 19021249.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 94212091 - 2⁷ = 94211963 is a prime.

It is not a weakly prime, because it can be changed into another prime (94212031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47106045 + 47106046.

It is an arithmetic number, because the mean of its divisors is an integer number (47106046).

Almost surely, 2^94212091 is an apocalyptic number.

94212091 is a deficient number, since it is larger than the sum of its proper divisors (1).

94212091 is an equidigital number, since it uses as much as digits as its factorization.

94212091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 94212091 is about 9706.2913102791. The cubic root of 94212091 is about 455.0253031052.

The spelling of 94212091 in words is "ninety-four million, two hundred twelve thousand, ninety-one".