612126783 has 6 divisors (see below), whose sum is σ = 884183144. Its totient is φ = 408084516.

The previous prime is 612126773. The next prime is 612126799. The reversal of 612126783 is 387621216.

612126783 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 612126783 - 2⁶ = 612126719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612126703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34007035 + ... + 34007052.

Almost surely, 2^612126783 is an apocalyptic number.

612126783 is a deficient number, since it is larger than the sum of its proper divisors (272056361).

612126783 is a wasteful number, since it uses less digits than its factorization.

612126783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68014093 (or 68014090 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 612126783 is about 24741.1960705217. The cubic root of 612126783 is about 849.0770988847.

Adding to 612126783 its reverse (387621216), we get a palindrome (999747999).

The spelling of 612126783 in words is "six hundred twelve million, one hundred twenty-six thousand, seven hundred eighty-three".