1202101001 has 8 divisors (see below), whose sum is σ = 1220271840. Its totient is φ = 1183976352.

The previous prime is 1202100989. The next prime is 1202101007. The reversal of 1202101001 is 1001012021.

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 1202101001 - 2¹⁸ = 1201838857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202101001.

It is not an unprimeable number, because it can be changed into a prime (1202101007) 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, 42806 + ... + 65088.

It is an arithmetic number, because the mean of its divisors is an integer number (152533980).

Almost surely, 2^1202101001 is an apocalyptic number.

It is an amenable number.

1202101001 is a deficient number, since it is larger than the sum of its proper divisors (18170839).

1202101001 is an equidigital number, since it uses as much as digits as its factorization.

1202101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23095.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1202101001 is about 34671.3282266486. The cubic root of 1202101001 is about 1063.2783872338.

Adding to 1202101001 its reverse (1001012021), we get a palindrome (2203113022).

The spelling of 1202101001 in words is "one billion, two hundred two million, one hundred one thousand, one".