1206226005 has 8 divisors (see below), whose sum is σ = 1929961632. Its totient is φ = 643320528.

The previous prime is 1206226003. The next prime is 1206226019. The reversal of 1206226005 is 5006226021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1206226005 - 2¹ = 1206226003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206226003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40207519 + ... + 40207548.

It is an arithmetic number, because the mean of its divisors is an integer number (241245204).

Almost surely, 2^1206226005 is an apocalyptic number.

1206226005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1206226005 is a deficient number, since it is larger than the sum of its proper divisors (723735627).

1206226005 is an equidigital number, since it uses as much as digits as its factorization.

1206226005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80415075.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1206226005 is about 34730.7645323278. The cubic root of 1206226005 is about 1064.4932103536.

The spelling of 1206226005 in words is "one billion, two hundred six million, two hundred twenty-six thousand, five".