101952378 has 32 divisors (see below), whose sum is σ = 247158720. Its totient is φ = 30894480.

The previous prime is 101952377. The next prime is 101952391. The reversal of 101952378 is 873259101.

It is not an unprimeable number, because it can be changed into a prime (101952373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85225 + ... + 86412.

It is an arithmetic number, because the mean of its divisors is an integer number (7723710).

Almost surely, 2^101952378 is an apocalyptic number.

101952378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

101952378 is an abundant number, since it is smaller than the sum of its proper divisors (145206342).

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

101952378 is a wasteful number, since it uses less digits than its factorization.

101952378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171659 (or 171653 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 101952378 is about 10097.1470227981. The cubic root of 101952378 is about 467.1601472552.

The spelling of 101952378 in words is "one hundred one million, nine hundred fifty-two thousand, three hundred seventy-eight".