121073112 has 24 divisors (see below), whose sum is σ = 327906540. Its totient is φ = 40357680.

The previous prime is 121073093. The next prime is 121073119. The reversal of 121073112 is 211370121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121073119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 840714 + ... + 840857.

Almost surely, 2^121073112 is an apocalyptic number.

121073112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121073112 is an abundant number, since it is smaller than the sum of its proper divisors (206833428).

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

121073112 is a wasteful number, since it uses less digits than its factorization.

121073112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681583 (or 1681576 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 121073112 is about 11003.3227708724. The cubic root of 121073112 is about 494.7083436460.

The spelling of 121073112 in words is "one hundred twenty-one million, seventy-three thousand, one hundred twelve".