101274120 has 48 divisors (see below), whose sum is σ = 329142060. Its totient is φ = 27006336.

The previous prime is 101274077. The next prime is 101274127. The reversal of 101274120 is 21472101.

It can be written as a sum of positive squares in 2 ways, for example, as 101243844 + 30276 = 10062^2 + 174^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 101274093 and 101274102.

It is not an unprimeable number, because it can be changed into a prime (101274127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140299 + ... + 141018.

Almost surely, 2^101274120 is an apocalyptic number.

101274120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101274120 is an abundant number, since it is smaller than the sum of its proper divisors (227867940).

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

101274120 is a wasteful number, since it uses less digits than its factorization.

101274120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281334 (or 281327 counting only the distinct ones).

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

The square root of 101274120 is about 10063.5043598142. The cubic root of 101274120 is about 466.1218835462.

The spelling of 101274120 in words is "one hundred one million, two hundred seventy-four thousand, one hundred twenty".