412121651 has 4 divisors (see below), whose sum is σ = 423260112. Its totient is φ = 400983192.

The previous prime is 412121557. The next prime is 412121663. The reversal of 412121651 is 156121214.

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

It is a cyclic number.

It is not a de Polignac number, because 412121651 - 2¹⁰ = 412120627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412123651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5569175 + ... + 5569248.

It is an arithmetic number, because the mean of its divisors is an integer number (105815028).

Almost surely, 2^412121651 is an apocalyptic number.

412121651 is a deficient number, since it is larger than the sum of its proper divisors (11138461).

412121651 is a wasteful number, since it uses less digits than its factorization.

412121651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11138460.

The product of its digits is 480, while the sum is 23.

The square root of 412121651 is about 20300.7795663122. The cubic root of 412121651 is about 744.1751157102.

Adding to 412121651 its reverse (156121214), we get a palindrome (568242865).

The spelling of 412121651 in words is "four hundred twelve million, one hundred twenty-one thousand, six hundred fifty-one".