101123080 has 16 divisors (see below), whose sum is σ = 227527020. Its totient is φ = 40449216.

The previous prime is 101123069. The next prime is 101123083. The reversal of 101123080 is 80321101.

It can be written as a sum of positive squares in 2 ways, for example, as 85266756 + 15856324 = 9234^2 + 3982^2 .

It is not an unprimeable number, because it can be changed into a prime (101123083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263999 + ... + 1264078.

Almost surely, 2^101123080 is an apocalyptic number.

101123080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101123080 is an abundant number, since it is smaller than the sum of its proper divisors (126403940).

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

101123080 is a wasteful number, since it uses less digits than its factorization.

101123080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528088 (or 2528084 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 101123080 is about 10055.9972155923. The cubic root of 101123080 is about 465.8900438686.

Adding to 101123080 its reverse (80321101), we get a palindrome (181444181).

The spelling of 101123080 in words is "one hundred one million, one hundred twenty-three thousand, eighty".