121250112 has 56 divisors (see below), whose sum is σ = 334767936. Its totient is φ = 38658048.

The previous prime is 121250111. The next prime is 121250113. The reversal of 121250112 is 211052121.

It is an interprime number because it is at equal distance from previous prime (121250111) and next prime (121250113).

It is a junction number, because it is equal to n+sod(n) for n = 121250091 and 121250100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121250111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9313 + ... + 18144.

Almost surely, 2^121250112 is an apocalyptic number.

121250112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121250112 is an abundant number, since it is smaller than the sum of its proper divisors (213517824).

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

121250112 is a wasteful number, since it uses less digits than its factorization.

121250112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27495 (or 27485 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 121250112 is about 11011.3628584295. The cubic root of 121250112 is about 494.9493020212.

The spelling of 121250112 in words is "one hundred twenty-one million, two hundred fifty thousand, one hundred twelve".