101520342 has 96 divisors (see below), whose sum is σ = 277655040. Its totient is φ = 26040960.

The previous prime is 101520313. The next prime is 101520373. The reversal of 101520342 is 243025101.

101520342 is a `hidden beast` number, since 101 + 520 + 3 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122943 + ... + 123765.

It is an arithmetic number, because the mean of its divisors is an integer number (2892240).

Almost surely, 2^101520342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101520342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138827520).

101520342 is an abundant number, since it is smaller than the sum of its proper divisors (176134698).

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

101520342 is a wasteful number, since it uses less digits than its factorization.

101520342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 101520342 is about 10075.7303457367. The cubic root of 101520342 is about 466.4993296861.

Adding to 101520342 its reverse (243025101), we get a palindrome (344545443).

The spelling of 101520342 in words is "one hundred one million, five hundred twenty thousand, three hundred forty-two".