101478 has 16 divisors (see below), whose sum is σ = 218736. Its totient is φ = 31200.

The previous prime is 101477. The next prime is 101483. The reversal of 101478 is 874101.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 1014 and 78 contains 101478 itself.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 101478.

It is not an unprimeable number, because it can be changed into a prime (101477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573 + ... + 728.

It is an arithmetic number, because the mean of its divisors is an integer number (13671).

2¹⁰¹⁴⁷⁸ is an apocalyptic number.

101478 is an abundant number, since it is smaller than the sum of its proper divisors (117258).

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

101478 is a wasteful number, since it uses less digits than its factorization.

101478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 101478 is about 318.5561175052. The cubic root of 101478 is about 46.6434464980.

Adding to 101478 its reverse (874101), we get a palindrome (975579).

The spelling of 101478 in words is "one hundred one thousand, four hundred seventy-eight".