109701540 has 120 divisors (see below), whose sum is σ = 370681080. Its totient is φ = 26998272.

The previous prime is 109701521. The next prime is 109701547. The reversal of 109701540 is 45107901.

It can be written as a sum of positive squares in 4 ways, for example, as 20738916 + 88962624 = 4554^2 + 9432^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (109701547) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 18456 + ... + 23664.

It is an arithmetic number, because the mean of its divisors is an integer number (3089009).

Almost surely, 2^109701540 is an apocalyptic number.

109701540 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 109701540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185340540).

109701540 is an abundant number, since it is smaller than the sum of its proper divisors (260979540).

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

109701540 is a wasteful number, since it uses less digits than its factorization.

109701540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243 (or 5232 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 109701540 is about 10473.8502949011. The cubic root of 109701540 is about 478.7082455569.

The spelling of 109701540 in words is "one hundred nine million, seven hundred one thousand, five hundred forty".