1001120301 has 6 divisors (see below), whose sum is σ = 1446062670. Its totient is φ = 667413528.

The previous prime is 1001120269. The next prime is 1001120303. The reversal of 1001120301 is 1030211001.

It can be written as a sum of positive squares in only one way, i.e., 832380201 + 168740100 = 28851^2 + 12990^2 .

It is not a de Polignac number, because 1001120301 - 2⁵ = 1001120269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 111235589 = 1001120301 / (1 + 0 + 0 + 1 + 1 + 2 + 0 + 3 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001120303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55617786 + ... + 55617803.

It is an arithmetic number, because the mean of its divisors is an integer number (241010445).

Almost surely, 2^1001120301 is an apocalyptic number.

It is an amenable number.

1001120301 is a deficient number, since it is larger than the sum of its proper divisors (444942369).

1001120301 is a wasteful number, since it uses less digits than its factorization.

1001120301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111235595 (or 111235592 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1001120301 is about 31640.4851574687. The cubic root of 1001120301 is about 1000.3732943007.

Adding to 1001120301 its reverse (1030211001), we get a palindrome (2031331302).

The spelling of 1001120301 in words is "one billion, one million, one hundred twenty thousand, three hundred one".