1201342003 has 4 divisors (see below), whose sum is σ = 1253574288. Its totient is φ = 1149109720.

The previous prime is 1201341989. The next prime is 1201342007. The reversal of 1201342003 is 3002431021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3002431021 = 107 ⋅28060103.

It is a cyclic number.

It is not a de Polignac number, because 1201342003 - 2²⁵ = 1167787571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201342007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26116108 + ... + 26116153.

It is an arithmetic number, because the mean of its divisors is an integer number (313393572).

Almost surely, 2^1201342003 is an apocalyptic number.

1201342003 is a deficient number, since it is larger than the sum of its proper divisors (52232285).

1201342003 is an equidigital number, since it uses as much as digits as its factorization.

1201342003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52232284.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1201342003 is about 34660.3808836545. The cubic root of 1201342003 is about 1063.0545579886.

Adding to 1201342003 its reverse (3002431021), we get a palindrome (4203773024).

The spelling of 1201342003 in words is "one billion, two hundred one million, three hundred forty-two thousand, three".