1000100601 has 10 divisors (see below), whose sum is σ = 1493977562. Its totient is φ = 666733680.

The previous prime is 1000100597. The next prime is 1000100609. The reversal of 1000100601 is 1060010001.

It can be written as a sum of positive squares in only one way, i.e., 663011001 + 337089600 = 25749^2 + 18360^2 .

It is not a de Polignac number, because 1000100601 - 2² = 1000100597 is a prime.

It is a super-2 number, since 2×1000100601² = 2000402424241122402, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000100609) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6173380 + ... + 6173541.

Almost surely, 2^1000100601 is an apocalyptic number.

It is an amenable number.

1000100601 is a deficient number, since it is larger than the sum of its proper divisors (493876961).

1000100601 is an equidigital number, since it uses as much as digits as its factorization.

1000100601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12346933 (or 12346924 counting only the distinct ones).

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

The square root of 1000100601 is about 31624.3672031552. The cubic root of 1000100601 is about 1000.0335325422.

Adding to 1000100601 its reverse (1060010001), we get a palindrome (2060110602).

The spelling of 1000100601 in words is "one billion, one hundred thousand, six hundred one".