101041521 has 16 divisors (see below), whose sum is σ = 154312704. Its totient is φ = 57608784.

The previous prime is 101041517. The next prime is 101041541. The reversal of 101041521 is 125140101.

It is a happy number.

It is not a de Polignac number, because 101041521 - 2² = 101041517 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101041521.

It is not an unprimeable number, because it can be changed into a prime (101041541) 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, 4656 + ... + 14958.

It is an arithmetic number, because the mean of its divisors is an integer number (9644544).

Almost surely, 2^101041521 is an apocalyptic number.

It is an amenable number.

101041521 is a deficient number, since it is larger than the sum of its proper divisors (53271183).

101041521 is a wasteful number, since it uses less digits than its factorization.

101041521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10780.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 101041521 is about 10051.9411558166. The cubic root of 101041521 is about 465.7647584374.

Adding to 101041521 its reverse (125140101), we get a palindrome (226181622).

The spelling of 101041521 in words is "one hundred one million, forty-one thousand, five hundred twenty-one".