1201003131 has 8 divisors (see below), whose sum is σ = 1695533904. Its totient is φ = 753570560.

The previous prime is 1201003087. The next prime is 1201003151. The reversal of 1201003131 is 1313001021.

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

It is not a de Polignac number, because 1201003131 - 2⁷ = 1201003003 is a prime.

It is a super-2 number, since 2×1201003131² = 2884817041343606322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201003151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11774490 + ... + 11774591.

It is an arithmetic number, because the mean of its divisors is an integer number (211941738).

Almost surely, 2^1201003131 is an apocalyptic number.

1201003131 is a deficient number, since it is larger than the sum of its proper divisors (494530773).

1201003131 is a wasteful number, since it uses less digits than its factorization.

1201003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23549101.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1201003131 is about 34655.4920755715. The cubic root of 1201003131 is about 1062.9545938650.

Adding to 1201003131 its reverse (1313001021), we get a palindrome (2514004152).

The spelling of 1201003131 in words is "one billion, two hundred one million, three thousand, one hundred thirty-one".