412506121 has 4 divisors (see below), whose sum is σ = 426730500. Its totient is φ = 398281744.

The previous prime is 412506109. The next prime is 412506151. The reversal of 412506121 is 121605214.

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 347300496 + 65205625 = 18636^2 + 8075^2 .

It is a cyclic number.

It is not a de Polignac number, because 412506121 - 2¹⁵ = 412473353 is a prime.

It is a super-2 number, since 2×412506121² = 340322599724933282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 412506092 and 412506101.

It is not an unprimeable number, because it can be changed into a prime (412506151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7112146 + ... + 7112203.

It is an arithmetic number, because the mean of its divisors is an integer number (106682625).

Almost surely, 2^412506121 is an apocalyptic number.

It is an amenable number.

412506121 is a deficient number, since it is larger than the sum of its proper divisors (14224379).

412506121 is a wasteful number, since it uses less digits than its factorization.

412506121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14224378.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 412506121 is about 20310.2466996342. The cubic root of 412506121 is about 744.4064584703.

The spelling of 412506121 in words is "four hundred twelve million, five hundred six thousand, one hundred twenty-one".