101520441 has 12 divisors (see below), whose sum is σ = 159971760. Its totient is φ = 61527480.

The previous prime is 101520427. The next prime is 101520473. The reversal of 101520441 is 144025101.

101520441 is a `hidden beast` number, since 101 + 520 + 4 + 41 = 666.

It is not a de Polignac number, because 101520441 - 2⁷ = 101520313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101520541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 512631 + ... + 512828.

It is an arithmetic number, because the mean of its divisors is an integer number (13330980).

Almost surely, 2^101520441 is an apocalyptic number.

101520441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101520441 is a deficient number, since it is larger than the sum of its proper divisors (58451319).

101520441 is a wasteful number, since it uses less digits than its factorization.

101520441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025476 (or 1025473 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 101520441 is about 10075.7352585308. The cubic root of 101520441 is about 466.4994813254.

Adding to 101520441 its reverse (144025101), we get a palindrome (245545542).

The spelling of 101520441 in words is "one hundred one million, five hundred twenty thousand, four hundred forty-one".