121374289 has 9 divisors (see below), whose sum is σ = 127146313. Its totient is φ = 115854772.

The previous prime is 121374283. The next prime is 121374307. The reversal of 121374289 is 982473121.

The square root of 121374289 is 11017.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 121374289 - 2¹³ = 121366097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121374283) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 253152 + ... + 253630.

Almost surely, 2^121374289 is an apocalyptic number.

121374289 is the 11017-th square number.

121374289 is the 5509-th centered octagonal number.

It is an amenable number.

121374289 is a deficient number, since it is larger than the sum of its proper divisors (5772024).

121374289 is an frugal number, since it uses more digits than its factorization.

121374289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 502 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The cubic root of 121374289 is about 495.1182100432.

The spelling of 121374289 in words is "one hundred twenty-one million, three hundred seventy-four thousand, two hundred eighty-nine".