100078274 has 8 divisors (see below), whose sum is σ = 151604028. Its totient is φ = 49543600.

The previous prime is 100078273. The next prime is 100078291. The reversal of 100078274 is 472870001.

It can be written as a sum of positive squares in 2 ways, for example, as 77563249 + 22515025 = 8807^2 + 4745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100078273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247517 + ... + 247920.

Almost surely, 2^100078274 is an apocalyptic number.

100078274 is a deficient number, since it is larger than the sum of its proper divisors (51525754).

100078274 is a wasteful number, since it uses less digits than its factorization.

100078274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495540.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 100078274 is about 10003.9129344472. The cubic root of 100078274 is about 464.2799570185.

It can be divided in two parts, 10007 and 8274, that added together give a palindrome (18281).

The spelling of 100078274 in words is "one hundred million, seventy-eight thousand, two hundred seventy-four".