1201171203 has 12 divisors (see below), whose sum is σ = 1826342440. Its totient is φ = 758634336.

The previous prime is 1201171189. The next prime is 1201171217. The reversal of 1201171203 is 3021711021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1201171189) and next prime (1201171217).

It is not a de Polignac number, because 1201171203 - 2¹³ = 1201163011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201171253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3512026 + ... + 3512367.

Almost surely, 2^1201171203 is an apocalyptic number.

1201171203 is a deficient number, since it is larger than the sum of its proper divisors (625171237).

1201171203 is a wasteful number, since it uses less digits than its factorization.

1201171203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7024418 (or 7024415 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1201171203 is about 34657.9168877762. The cubic root of 1201171203 is about 1063.0041759094.

Adding to 1201171203 its reverse (3021711021), we get a palindrome (4222882224).

The spelling of 1201171203 in words is "one billion, two hundred one million, one hundred seventy-one thousand, two hundred three".