10661203 has 8 divisors (see below), whose sum is σ = 12274272. Its totient is φ = 9070656.

The previous prime is 10661201. The next prime is 10661207. The reversal of 10661203 is 30216601.

10661203 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10661203 - 2¹ = 10661201 is a prime.

It is a super-2 number, since 2×10661203² = 227322498814418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10661201) 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, 4600 + ... + 6517.

It is an arithmetic number, because the mean of its divisors is an integer number (1534284).

Almost surely, 2^10661203 is an apocalyptic number.

10661203 is a deficient number, since it is larger than the sum of its proper divisors (1613069).

10661203 is a wasteful number, since it uses less digits than its factorization.

10661203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11261.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 10661203 is about 3265.1497668560. The cubic root of 10661203 is about 220.0908921951.

Adding to 10661203 its reverse (30216601), we get a palindrome (40877804).

The spelling of 10661203 in words is "ten million, six hundred sixty-one thousand, two hundred three".