101101040 has 80 divisors (see below), whose sum is σ = 252305280. Its totient is φ = 37539840.

The previous prime is 101101009. The next prime is 101101061. The reversal of 101101040 is 40101101.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 106970 + ... + 107910.

It is an arithmetic number, because the mean of its divisors is an integer number (3153816).

Almost surely, 2^101101040 is an apocalyptic number.

101101040 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 101101040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126152640).

101101040 is an abundant number, since it is smaller than the sum of its proper divisors (151204240).

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

101101040 is a wasteful number, since it uses less digits than its factorization.

101101040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 101101040 is about 10054.9012924046. The cubic root of 101101040 is about 465.8561941525.

Adding to 101101040 its reverse (40101101), we get a palindrome (141202141).

The spelling of 101101040 in words is "one hundred one million, one hundred one thousand, forty".