46390121 has 2 divisors, whose sum is σ = 46390122. Its totient is φ = 46390120.

The previous prime is 46390117. The next prime is 46390189. The reversal of 46390121 is 12109364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46389721 + 400 = 6811^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 46390121 - 2² = 46390117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (46390621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23195060 + 23195061.

It is an arithmetic number, because the mean of its divisors is an integer number (23195061).

Almost surely, 2^46390121 is an apocalyptic number.

It is an amenable number.

46390121 is a deficient number, since it is larger than the sum of its proper divisors (1).

46390121 is an equidigital number, since it uses as much as digits as its factorization.

46390121 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 26.

The square root of 46390121 is about 6811.0293642004. The cubic root of 46390121 is about 359.3148516954.

Adding to 46390121 its reverse (12109364), we get a palindrome (58499485).

The spelling of 46390121 in words is "forty-six million, three hundred ninety thousand, one hundred twenty-one".