101109375 has 42 divisors (see below), whose sum is σ = 182810160. Its totient is φ = 53850000.

The previous prime is 101109373. The next prime is 101109401. The reversal of 101109375 is 573901101.

It is a happy number.

It is not a de Polignac number, because 101109375 - 2¹ = 101109373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101109373) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 140266 + ... + 140984.

Almost surely, 2^101109375 is an apocalyptic number.

101109375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101109375 is a deficient number, since it is larger than the sum of its proper divisors (81700785).

101109375 is an frugal number, since it uses more digits than its factorization.

101109375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 101109375 is about 10055.3157583439. The cubic root of 101109375 is about 465.8689958826.

The spelling of 101109375 in words is "one hundred one million, one hundred nine thousand, three hundred seventy-five".