101381860 has 12 divisors (see below), whose sum is σ = 212901948. Its totient is φ = 40552736.

The previous prime is 101381857. The next prime is 101381869. The reversal of 101381860 is 68183101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45670564 + 55711296 = 6758^2 + 7464^2 .

It is not an unprimeable number, because it can be changed into a prime (101381869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534527 + ... + 2534566.

It is an arithmetic number, because the mean of its divisors is an integer number (17741829).

Almost surely, 2^101381860 is an apocalyptic number.

101381860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101381860 is an abundant number, since it is smaller than the sum of its proper divisors (111520088).

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

101381860 is a wasteful number, since it uses less digits than its factorization.

101381860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069102 (or 5069100 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 101381860 is about 10068.8559429560. The cubic root of 101381860 is about 466.2871188287.

The spelling of 101381860 in words is "one hundred one million, three hundred eighty-one thousand, eight hundred sixty".