101081530 has 32 divisors (see below), whose sum is σ = 205338240. Its totient is φ = 35488320.

The previous prime is 101081489. The next prime is 101081549. The reversal of 101081530 is 35180101.

It is a junction number, because it is equal to n+sod(n) for n = 101081498 and 101081507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12654 + ... + 19033.

It is an arithmetic number, because the mean of its divisors is an integer number (6416820).

Almost surely, 2^101081530 is an apocalyptic number.

101081530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101081530 is an abundant number, since it is smaller than the sum of its proper divisors (104256710).

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

101081530 is a wasteful number, since it uses less digits than its factorization.

101081530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31734.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 101081530 is about 10053.9310719738. The cubic root of 101081530 is about 465.8262259839.

The spelling of 101081530 in words is "one hundred one million, eighty-one thousand, five hundred thirty".