612124401 has 16 divisors (see below), whose sum is σ = 950361984. Its totient is φ = 343185024.

The previous prime is 612124363. The next prime is 612124421. The reversal of 612124401 is 104421216.

It is a happy number.

612124401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612124401 - 2¹¹ = 612122353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (612124421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273876 + ... + 276101.

It is an arithmetic number, because the mean of its divisors is an integer number (59397624).

Almost surely, 2^612124401 is an apocalyptic number.

It is an amenable number.

612124401 is a deficient number, since it is larger than the sum of its proper divisors (338237583).

612124401 is a wasteful number, since it uses less digits than its factorization.

612124401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550040.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 612124401 is about 24741.1479321393. The cubic root of 612124401 is about 849.0759975310.

Adding to 612124401 its reverse (104421216), we get a palindrome (716545617).

The spelling of 612124401 in words is "six hundred twelve million, one hundred twenty-four thousand, four hundred one".