1001100445 has 16 divisors (see below), whose sum is σ = 1243848960. Its totient is φ = 772577344.

The previous prime is 1001100421. The next prime is 1001100449. The reversal of 1001100445 is 5440011001.

It is a cyclic number.

It is not a de Polignac number, because 1001100445 - 2¹⁷ = 1000969373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001100449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213294 + ... + 217936.

It is an arithmetic number, because the mean of its divisors is an integer number (77740560).

Almost surely, 2^1001100445 is an apocalyptic number.

It is an amenable number.

1001100445 is a deficient number, since it is larger than the sum of its proper divisors (242748515).

1001100445 is a wasteful number, since it uses less digits than its factorization.

1001100445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1001100445 is about 31640.1713806989. The cubic root of 1001100445 is about 1000.3666805290.

Adding to 1001100445 its reverse (5440011001), we get a palindrome (6441111446).

The spelling of 1001100445 in words is "one billion, one million, one hundred thousand, four hundred forty-five".