121027380 has 48 divisors (see below), whose sum is σ = 353614464. Its totient is φ = 30870400.

The previous prime is 121027373. The next prime is 121027399. The reversal of 121027380 is 83720121.

It is a self number, because there is not a number n which added to its sum of digits gives 121027380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42471 + ... + 45230.

It is an arithmetic number, because the mean of its divisors is an integer number (7366968).

Almost surely, 2^121027380 is an apocalyptic number.

121027380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121027380 is an abundant number, since it is smaller than the sum of its proper divisors (232587084).

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

121027380 is a wasteful number, since it uses less digits than its factorization.

121027380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87736 (or 87734 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 121027380 is about 11001.2444750583. The cubic root of 121027380 is about 494.6460483637.

The spelling of 121027380 in words is "one hundred twenty-one million, twenty-seven thousand, three hundred eighty".