101620152 has 48 divisors (see below), whose sum is σ = 291414240. Its totient is φ = 31880448.

The previous prime is 101620117. The next prime is 101620153. The reversal of 101620152 is 251026101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101620153) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 40288 + ... + 42735.

It is an arithmetic number, because the mean of its divisors is an integer number (6071130).

Almost surely, 2^101620152 is an apocalyptic number.

101620152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101620152 is an abundant number, since it is smaller than the sum of its proper divisors (189794088).

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

101620152 is a wasteful number, since it uses less digits than its factorization.

101620152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83052 (or 83045 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 101620152 is about 10080.6821197774. The cubic root of 101620152 is about 466.6521596397.

Adding to 101620152 its reverse (251026101), we get a palindrome (352646253).

The spelling of 101620152 in words is "one hundred one million, six hundred twenty thousand, one hundred fifty-two".