101520150 has 48 divisors (see below), whose sum is σ = 254300688. Its totient is φ = 26800000.

The previous prime is 101520121. The next prime is 101520157. The reversal of 101520150 is 51025101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101520157) 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 23 ways as a sum of consecutive naturals, for example, 11800 + ... + 18500.

It is an arithmetic number, because the mean of its divisors is an integer number (5297931).

Almost surely, 2^101520150 is an apocalyptic number.

101520150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101520150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127150344).

101520150 is an abundant number, since it is smaller than the sum of its proper divisors (152780538).

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

101520150 is a wasteful number, since it uses less digits than its factorization.

101520150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817 (or 6812 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 101520150 is about 10075.7208178869. The cubic root of 101520150 is about 466.4990355975.

Adding to 101520150 its reverse (51025101), we get a palindrome (152545251).

The spelling of 101520150 in words is "one hundred one million, five hundred twenty thousand, one hundred fifty".