101012274 has 96 divisors (see below), whose sum is σ = 255685248. Its totient is φ = 28512000.

The previous prime is 101012243. The next prime is 101012293. The reversal of 101012274 is 472210101.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 47 ways as a sum of consecutive naturals, for example, 186444 + ... + 186984.

It is an arithmetic number, because the mean of its divisors is an integer number (2663388).

Almost surely, 2^101012274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101012274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127842624).

101012274 is an abundant number, since it is smaller than the sum of its proper divisors (154672974).

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

101012274 is a wasteful number, since it uses less digits than its factorization.

101012274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 101012274 is about 10050.4862568932. The cubic root of 101012274 is about 465.7198147472.

Adding to 101012274 its reverse (472210101), we get a palindrome (573222375).

The spelling of 101012274 in words is "one hundred one million, twelve thousand, two hundred seventy-four".