412720655 has 4 divisors (see below), whose sum is σ = 495264792. Its totient is φ = 330176520.

The previous prime is 412720619. The next prime is 412720661. The reversal of 412720655 is 556027214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556027214 = 2 ⋅278013607.

It is not a de Polignac number, because 412720655 - 2⁶ = 412720591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41272061 + ... + 41272070.

It is an arithmetic number, because the mean of its divisors is an integer number (123816198).

Almost surely, 2^412720655 is an apocalyptic number.

412720655 is a deficient number, since it is larger than the sum of its proper divisors (82544137).

412720655 is an equidigital number, since it uses as much as digits as its factorization.

412720655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82544136.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 412720655 is about 20315.5274359294. The cubic root of 412720655 is about 744.5354850953.

Adding to 412720655 its reverse (556027214), we get a palindrome (968747869).

The spelling of 412720655 in words is "four hundred twelve million, seven hundred twenty thousand, six hundred fifty-five".