101201004 has 36 divisors (see below), whose sum is σ = 256197760. Its totient is φ = 33683040.

The previous prime is 101201003. The next prime is 101201041. The reversal of 101201004 is 400102101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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 (101201003) 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, 28149 + ... + 31539.

Almost surely, 2^101201004 is an apocalyptic number.

It is an amenable number.

101201004 is an abundant number, since it is smaller than the sum of its proper divisors (154996756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101201004 is a wasteful number, since it uses less digits than its factorization.

101201004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230 (or 4225 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 101201004 is about 10059.8709733276. The cubic root of 101201004 is about 466.0096825461.

Adding to 101201004 its reverse (400102101), we get a palindrome (501303105).

The spelling of 101201004 in words is "one hundred one million, two hundred one thousand, four".