121027365 has 24 divisors (see below), whose sum is σ = 217552608. Its totient is φ = 64547280.

The previous prime is 121027343. The next prime is 121027373. The reversal of 121027365 is 563720121.

It is a happy number.

It is not a de Polignac number, because 121027365 - 2¹⁶ = 120961829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48591 + ... + 51020.

It is an arithmetic number, because the mean of its divisors is an integer number (9064692).

Almost surely, 2^121027365 is an apocalyptic number.

121027365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121027365 is a deficient number, since it is larger than the sum of its proper divisors (96525243).

121027365 is an frugal number, since it uses more digits than its factorization.

121027365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99631 (or 99619 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 121027365 is about 11001.2437933172. The cubic root of 121027365 is about 494.6460279284.

Adding to 121027365 its reverse (563720121), we get a palindrome (684747486).

The spelling of 121027365 in words is "one hundred twenty-one million, twenty-seven thousand, three hundred sixty-five".