101234878 has 4 divisors (see below), whose sum is σ = 151852320. Its totient is φ = 50617438.

The previous prime is 101234873. The next prime is 101234879. The reversal of 101234878 is 878432101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 878432101 = 103 ⋅8528467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101234873) 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 as a sum of consecutive naturals, namely, 25308718 + ... + 25308721.

It is an arithmetic number, because the mean of its divisors is an integer number (37963080).

Almost surely, 2^101234878 is an apocalyptic number.

101234878 is a deficient number, since it is larger than the sum of its proper divisors (50617442).

101234878 is an equidigital number, since it uses as much as digits as its factorization.

101234878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50617441.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 101234878 is about 10061.5544524691. The cubic root of 101234878 is about 466.0616709996.

Adding to 101234878 its reverse (878432101), we get a palindrome (979666979).

The spelling of 101234878 in words is "one hundred one million, two hundred thirty-four thousand, eight hundred seventy-eight".