1010001033 has 12 divisors (see below), whose sum is σ = 1460599920. Its totient is φ = 672545016.

The previous prime is 1010001029. The next prime is 1010001043. The reversal of 1010001033 is 3301000101.

It is not a de Polignac number, because 1010001033 - 2² = 1010001029 is a prime.

It is a super-2 number, since 2×1010001033² = 2040204173322134178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1010001023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57591 + ... + 73052.

It is an arithmetic number, because the mean of its divisors is an integer number (121716660).

Almost surely, 2^1010001033 is an apocalyptic number.

It is an amenable number.

1010001033 is a deficient number, since it is larger than the sum of its proper divisors (450598887).

1010001033 is a wasteful number, since it uses less digits than its factorization.

1010001033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131508 (or 131505 counting only the distinct ones).

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

The square root of 1010001033 is about 31780.5134162430. The cubic root of 1010001033 is about 1003.3226255987.

Adding to 1010001033 its reverse (3301000101), we get a palindrome (4311001134).

The spelling of 1010001033 in words is "one billion, ten million, one thousand, thirty-three".