1265230206 has 20 divisors (see below), whose sum is σ = 2835053232. Its totient is φ = 421743348.

The previous prime is 1265230157. The next prime is 1265230231. The reversal of 1265230206 is 6020325621.

1265230206 is a `hidden beast` number, since 1 + 2 + 652 + 3 + 0 + 2 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1265230206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3904870 + ... + 3905193.

Almost surely, 2^1265230206 is an apocalyptic number.

1265230206 is an abundant number, since it is smaller than the sum of its proper divisors (1569823026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1265230206 is an equidigital number, since it uses as much as digits as its factorization.

1265230206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7810077 (or 7810068 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1265230206 is about 35570.0745852465. The cubic root of 1265230206 is about 1081.5746936433.

Adding to 1265230206 its reverse (6020325621), we get a palindrome (7285555827).

The spelling of 1265230206 in words is "one billion, two hundred sixty-five million, two hundred thirty thousand, two hundred six".