1201152403 has 16 divisors (see below), whose sum is σ = 1337816160. Its totient is φ = 1069228800.

The previous prime is 1201152401. The next prime is 1201152457. The reversal of 1201152403 is 3042511021.

It is a cyclic number.

It is not a de Polignac number, because 1201152403 - 2¹ = 1201152401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201152401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149751 + ... + 157567.

It is an arithmetic number, because the mean of its divisors is an integer number (83613510).

Almost surely, 2^1201152403 is an apocalyptic number.

1201152403 is a deficient number, since it is larger than the sum of its proper divisors (136663757).

1201152403 is a wasteful number, since it uses less digits than its factorization.

1201152403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8118.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1201152403 is about 34657.6456644129. The cubic root of 1201152403 is about 1062.9986300491.

Adding to 1201152403 its reverse (3042511021), we get a palindrome (4243663424).

The spelling of 1201152403 in words is "one billion, two hundred one million, one hundred fifty-two thousand, four hundred three".