46015121 has 4 divisors (see below), whose sum is σ = 46028772. Its totient is φ = 46001472.

The previous prime is 46015097. The next prime is 46015139. The reversal of 46015121 is 12151064.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 17808400 + 28206721 = 4220^2 + 5311^2 .

It is a cyclic number.

It is not a de Polignac number, because 46015121 - 2¹⁸ = 45752977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46015093 and 46015102.

It is not an unprimeable number, because it can be changed into a prime (46015181) 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, 2285 + ... + 9861.

It is an arithmetic number, because the mean of its divisors is an integer number (11507193).

Almost surely, 2^46015121 is an apocalyptic number.

It is an amenable number.

46015121 is a deficient number, since it is larger than the sum of its proper divisors (13651).

46015121 is an equidigital number, since it uses as much as digits as its factorization.

46015121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13650.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 46015121 is about 6783.4446264416. Note that the first 3 decimals coincide. The cubic root of 46015121 is about 358.3440431388.

Adding to 46015121 its reverse (12151064), we get a palindrome (58166185).

The spelling of 46015121 in words is "forty-six million, fifteen thousand, one hundred twenty-one".