1401202131 has 8 divisors (see below), whose sum is σ = 2135165184. Its totient is φ = 800686920.

The previous prime is 1401202123. The next prime is 1401202141. The reversal of 1401202131 is 1312021041.

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

It is not a de Polignac number, because 1401202131 - 2³ = 1401202123 is a prime.

It is a super-2 number, since 2×1401202131² = 3926734823837882322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1401202131.

It is not an unprimeable number, because it can be changed into a prime (1401202141) 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, 33361935 + ... + 33361976.

It is an arithmetic number, because the mean of its divisors is an integer number (266895648).

Almost surely, 2^1401202131 is an apocalyptic number.

1401202131 is a deficient number, since it is larger than the sum of its proper divisors (733963053).

1401202131 is an equidigital number, since it uses as much as digits as its factorization.

1401202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66723921.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1401202131 is about 37432.6345719881. The cubic root of 1401202131 is about 1119.0090434924.

Adding to 1401202131 its reverse (1312021041), we get a palindrome (2713223172).

The spelling of 1401202131 in words is "one billion, four hundred one million, two hundred two thousand, one hundred thirty-one".