1002031201 has 8 divisors (see below), whose sum is σ = 1028548008. Its totient is φ = 975840000.

The previous prime is 1002031189. The next prime is 1002031207. The reversal of 1002031201 is 1021302001.

It can be written as a sum of positive squares in 4 ways, for example, as 3534400 + 998496801 = 1880^2 + 31599^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1002031201 - 2⁵ = 1002031169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002031207) 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, 75160 + ... + 87481.

It is an arithmetic number, because the mean of its divisors is an integer number (128568501).

Almost surely, 2^1002031201 is an apocalyptic number.

It is an amenable number.

1002031201 is a deficient number, since it is larger than the sum of its proper divisors (26516807).

1002031201 is a wasteful number, since it uses less digits than its factorization.

1002031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162803.

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

The square root of 1002031201 is about 31654.8764173863. The cubic root of 1002031201 is about 1000.6766090969.

Adding to 1002031201 its reverse (1021302001), we get a palindrome (2023333202).

The spelling of 1002031201 in words is "one billion, two million, thirty-one thousand, two hundred one".