1202132131 has 4 divisors (see below), whose sum is σ = 1202336152. Its totient is φ = 1201928112.

The previous prime is 1202132069. The next prime is 1202132137. The reversal of 1202132131 is 1312312021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1202132131 - 2⁷ = 1202132003 is a prime.

It is a super-2 number, since 2×1202132131² = 2890243320765202322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202132137) 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, 92901 + ... + 105046.

It is an arithmetic number, because the mean of its divisors is an integer number (300584038).

Almost surely, 2^1202132131 is an apocalyptic number.

1202132131 is a deficient number, since it is larger than the sum of its proper divisors (204021).

1202132131 is an equidigital number, since it uses as much as digits as its factorization.

1202132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204020.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1202132131 is about 34671.7771537601. Note that the first 3 decimals coincide. The cubic root of 1202132131 is about 1063.2875654894.

Adding to 1202132131 its reverse (1312312021), we get a palindrome (2514444152).

The spelling of 1202132131 in words is "one billion, two hundred two million, one hundred thirty-two thousand, one hundred thirty-one".