1206045203 has 8 divisors (see below), whose sum is σ = 1319839920. Its totient is φ = 1092942880.

The previous prime is 1206045167. The next prime is 1206045241. The reversal of 1206045203 is 3025406021.

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

It is a cyclic number.

It is not a de Polignac number, because 1206045203 - 2¹⁰ = 1206044179 is a prime.

It is a super-2 number, since 2×1206045203² = 2909090063358622418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206045283) 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, 169448 + ... + 176421.

It is an arithmetic number, because the mean of its divisors is an integer number (164979990).

Almost surely, 2^1206045203 is an apocalyptic number.

1206045203 is a deficient number, since it is larger than the sum of its proper divisors (113794717).

1206045203 is a wasteful number, since it uses less digits than its factorization.

1206045203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346197.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1206045203 is about 34728.1615263463. The cubic root of 1206045203 is about 1064.4400218363.

The spelling of 1206045203 in words is "one billion, two hundred six million, forty-five thousand, two hundred three".