101289378 has 16 divisors (see below), whose sum is σ = 211386816. Its totient is φ = 32295120.

The previous prime is 101289367. The next prime is 101289407. The reversal of 101289378 is 873982101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366853 + ... + 367128.

It is an arithmetic number, because the mean of its divisors is an integer number (13211676).

Almost surely, 2^101289378 is an apocalyptic number.

101289378 is an abundant number, since it is smaller than the sum of its proper divisors (110097438).

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

101289378 is a wasteful number, since it uses less digits than its factorization.

101289378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734009.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 101289378 is about 10064.2624170875. The cubic root of 101289378 is about 466.1452910747.

The spelling of 101289378 in words is "one hundred one million, two hundred eighty-nine thousand, three hundred seventy-eight".