101239320 has 256 divisors, whose sum is σ = 381911040. Its totient is φ = 20901888.

The previous prime is 101239279. The next prime is 101239331. The reversal of 101239320 is 23932101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 797097 + ... + 797223.

It is an arithmetic number, because the mean of its divisors is an integer number (1491840).

Almost surely, 2^101239320 is an apocalyptic number.

101239320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101239320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190955520).

101239320 is an abundant number, since it is smaller than the sum of its proper divisors (280671720).

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

101239320 is a wasteful number, since it uses less digits than its factorization.

101239320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 101239320 is about 10061.7751912871. The cubic root of 101239320 is about 466.0684875424.

The spelling of 101239320 in words is "one hundred one million, two hundred thirty-nine thousand, three hundred twenty".