121010272 has 24 divisors (see below), whose sum is σ = 246456000. Its totient is φ = 58418304.

The previous prime is 121010269. The next prime is 121010273. The reversal of 121010272 is 272010121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010273) 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 in 3 ways as a sum of consecutive naturals, for example, 64272 + ... + 66127.

It is an arithmetic number, because the mean of its divisors is an integer number (10269000).

Almost surely, 2^121010272 is an apocalyptic number.

It is an amenable number.

121010272 is an abundant number, since it is smaller than the sum of its proper divisors (125445728).

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

121010272 is a wasteful number, since it uses less digits than its factorization.

121010272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130438 (or 130430 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 121010272 is about 11000.4668991821. The cubic root of 121010272 is about 494.6227401300.

Adding to 121010272 its reverse (272010121), we get a palindrome (393020393).

The spelling of 121010272 in words is "one hundred twenty-one million, ten thousand, two hundred seventy-two".