1004120101 has 4 divisors (see below), whose sum is σ = 1036511104. Its totient is φ = 971729100.

The previous prime is 1004120087. The next prime is 1004120119. The reversal of 1004120101 is 1010214001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1004120101 - 2⁵ = 1004120069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004120141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16195455 + ... + 16195516.

It is an arithmetic number, because the mean of its divisors is an integer number (259127776).

Almost surely, 2^1004120101 is an apocalyptic number.

It is an amenable number.

1004120101 is a deficient number, since it is larger than the sum of its proper divisors (32391003).

1004120101 is an equidigital number, since it uses as much as digits as its factorization.

1004120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32391002.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1004120101 is about 31687.8541558118. The cubic root of 1004120101 is about 1001.3714851685.

Adding to 1004120101 its reverse (1010214001), we get a palindrome (2014334102).

The spelling of 1004120101 in words is "one billion, four million, one hundred twenty thousand, one hundred one".