1301203136 has 28 divisors (see below), whose sum is σ = 2604939672. Its totient is φ = 644840448.

The previous prime is 1301203109. The next prime is 1301203147. The reversal of 1301203136 is 6313021031.

It is a happy number.

It is a super-2 number, since 2×1301203136² = 3386259202272468992, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 82730 + ... + 97193.

Almost surely, 2^1301203136 is an apocalyptic number.

1301203136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1301203136 is an abundant number, since it is smaller than the sum of its proper divisors (1303736536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301203136 is a wasteful number, since it uses less digits than its factorization.

1301203136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180048 (or 180038 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1301203136 is about 36072.1933904774. The cubic root of 1301203136 is about 1091.7294700332.

Adding to 1301203136 its reverse (6313021031), we get a palindrome (7614224167).

The spelling of 1301203136 in words is "one billion, three hundred one million, two hundred three thousand, one hundred thirty-six".