612999103 has 2 divisors, whose sum is σ = 612999104. Its totient is φ = 612999102.

The previous prime is 612999089. The next prime is 612999119. The reversal of 612999103 is 301999216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612999103 - 2⁹ = 612998591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612999133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306499551 + 306499552.

It is an arithmetic number, because the mean of its divisors is an integer number (306499552).

Almost surely, 2^612999103 is an apocalyptic number.

612999103 is a deficient number, since it is larger than the sum of its proper divisors (1).

612999103 is an equidigital number, since it uses as much as digits as its factorization.

612999103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 612999103 is about 24758.8186915289. The cubic root of 612999103 is about 849.4802372547.

The spelling of 612999103 in words is "six hundred twelve million, nine hundred ninety-nine thousand, one hundred three".