101378385 has 64 divisors (see below), whose sum is σ = 186408960. Its totient is φ = 52907904.

The previous prime is 101378383. The next prime is 101378413. The reversal of 101378385 is 583873101.

It is not a de Polignac number, because 101378385 - 2¹ = 101378383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101378383) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 798192 + ... + 798318.

It is an arithmetic number, because the mean of its divisors is an integer number (2912640).

Almost surely, 2^101378385 is an apocalyptic number.

101378385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101378385 is a deficient number, since it is larger than the sum of its proper divisors (85030575).

101378385 is an frugal number, since it uses more digits than its factorization.

101378385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 101378385 is about 10068.6833796679. The cubic root of 101378385 is about 466.2817912278.

The spelling of 101378385 in words is "one hundred one million, three hundred seventy-eight thousand, three hundred eighty-five".