131202001 has 8 divisors (see below), whose sum is σ = 151752384. Its totient is φ = 111103440.

The previous prime is 131201999. The next prime is 131202007. The reversal of 131202001 is 100202131.

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

It is not a de Polignac number, because 131202001 - 2¹ = 131201999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131202007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112330 + ... + 113491.

It is an arithmetic number, because the mean of its divisors is an integer number (18969048).

Almost surely, 2^131202001 is an apocalyptic number.

It is an amenable number.

131202001 is a deficient number, since it is larger than the sum of its proper divisors (20550383).

131202001 is an equidigital number, since it uses as much as digits as its factorization.

131202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225911.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 131202001 is about 11454.3441977269. The cubic root of 131202001 is about 508.1362203667.

Adding to 131202001 its reverse (100202131), we get a palindrome (231404132).

The spelling of 131202001 in words is "one hundred thirty-one million, two hundred two thousand, one".