1206145753 has 2 divisors, whose sum is σ = 1206145754. Its totient is φ = 1206145752.

The previous prime is 1206145747. The next prime is 1206145777. The reversal of 1206145753 is 3575416021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605307609 + 600838144 = 24603^2 + 24512^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206145753 - 2¹⁷ = 1206014681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1206145723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603072876 + 603072877.

It is an arithmetic number, because the mean of its divisors is an integer number (603072877).

Almost surely, 2^1206145753 is an apocalyptic number.

It is an amenable number.

1206145753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206145753 is an equidigital number, since it uses as much as digits as its factorization.

1206145753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1206145753 is about 34729.6091685467. The cubic root of 1206145753 is about 1064.4696023942.

The spelling of 1206145753 in words is "one billion, two hundred six million, one hundred forty-five thousand, seven hundred fifty-three".