46620121 has 4 divisors (see below), whose sum is σ = 46793700. Its totient is φ = 46446544.

The previous prime is 46620113. The next prime is 46620131. The reversal of 46620121 is 12102664.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4888521 + 41731600 = 2211^2 + 6460^2 .

It is a cyclic number.

It is not a de Polignac number, because 46620121 - 2³ = 46620113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46620092 and 46620101.

It is not an unprimeable number, because it can be changed into a prime (46620131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86386 + ... + 86923.

It is an arithmetic number, because the mean of its divisors is an integer number (11698425).

Almost surely, 2^46620121 is an apocalyptic number.

It is an amenable number.

46620121 is a deficient number, since it is larger than the sum of its proper divisors (173579).

46620121 is a wasteful number, since it uses less digits than its factorization.

46620121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173578.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 46620121 is about 6827.8928667635. The cubic root of 46620121 is about 359.9076949561.

Adding to 46620121 its reverse (12102664), we get a palindrome (58722785).

The spelling of 46620121 in words is "forty-six million, six hundred twenty thousand, one hundred twenty-one".