1206226903 has 6 divisors (see below), whose sum is σ = 1378650056. Its totient is φ = 1033830012.

The previous prime is 1206226877. The next prime is 1206226919. The reversal of 1206226903 is 3096226021.

It is not a de Polignac number, because 1206226903 - 2¹⁷ = 1206095831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206226933) 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, 85326 + ... + 98452.

Almost surely, 2^1206226903 is an apocalyptic number.

1206226903 is a deficient number, since it is larger than the sum of its proper divisors (172423153).

1206226903 is an frugal number, since it uses more digits than its factorization.

1206226903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26261 (or 13134 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1206226903 is about 34730.7774603449. Note that the first 3 decimals coincide. The cubic root of 1206226903 is about 1064.4934745149.

The spelling of 1206226903 in words is "one billion, two hundred six million, two hundred twenty-six thousand, nine hundred three".