46120021 has 2 divisors, whose sum is σ = 46120022. Its totient is φ = 46120020.

The previous prime is 46119989. The next prime is 46120027. The reversal of 46120021 is 12002164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46049796 + 70225 = 6786^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 46120021 - 2⁵ = 46119989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46119977 and 46120004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46120027) 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, 23060010 + 23060011.

It is an arithmetic number, because the mean of its divisors is an integer number (23060011).

Almost surely, 2^46120021 is an apocalyptic number.

It is an amenable number.

46120021 is a deficient number, since it is larger than the sum of its proper divisors (1).

46120021 is an equidigital number, since it uses as much as digits as its factorization.

46120021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 46120021 is about 6791.1722846649. The cubic root of 46120021 is about 358.6161403738.

Adding to 46120021 its reverse (12002164), we get a palindrome (58122185).

The spelling of 46120021 in words is "forty-six million, one hundred twenty thousand, twenty-one".