101505042 has 16 divisors (see below), whose sum is σ = 225566880. Its totient is φ = 33834996.

The previous prime is 101505013. The next prime is 101505059. The reversal of 101505042 is 240505101.

101505042 is a `hidden beast` number, since 10 + 150 + 504 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939808 + ... + 939915.

It is an arithmetic number, because the mean of its divisors is an integer number (14097930).

Almost surely, 2^101505042 is an apocalyptic number.

101505042 is an abundant number, since it is smaller than the sum of its proper divisors (124061838).

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

101505042 is a wasteful number, since it uses less digits than its factorization.

101505042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879734 (or 1879728 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 101505042 is about 10074.9710669560. The cubic root of 101505042 is about 466.4758933377.

The spelling of 101505042 in words is "one hundred one million, five hundred five thousand, forty-two".