1206260351 has 4 divisors (see below), whose sum is σ = 1215758592. Its totient is φ = 1196762112.

The previous prime is 1206260317. The next prime is 1206260383. The reversal of 1206260351 is 1530626021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1206260351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1206260351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206260651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4748930 + ... + 4749183.

It is an arithmetic number, because the mean of its divisors is an integer number (303939648).

Almost surely, 2^1206260351 is an apocalyptic number.

1206260351 is a deficient number, since it is larger than the sum of its proper divisors (9498241).

1206260351 is an equidigital number, since it uses as much as digits as its factorization.

1206260351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9498240.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1206260351 is about 34731.2589895616. The cubic root of 1206260351 is about 1064.5033136943.

Adding to 1206260351 its reverse (1530626021), we get a palindrome (2736886372).

The spelling of 1206260351 in words is "one billion, two hundred six million, two hundred sixty thousand, three hundred fifty-one".