121325290 has 8 divisors (see below), whose sum is σ = 218385540. Its totient is φ = 48530112.

The previous prime is 121325287. The next prime is 121325291. The reversal of 121325290 is 92523121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 117094041 + 4231249 = 10821^2 + 2057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121325291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6066255 + ... + 6066274.

Almost surely, 2^121325290 is an apocalyptic number.

121325290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121325290 is a deficient number, since it is larger than the sum of its proper divisors (97060250).

121325290 is a wasteful number, since it uses less digits than its factorization.

121325290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12132536.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 121325290 is about 11014.7759850121. The cubic root of 121325290 is about 495.0515743970.

The spelling of 121325290 in words is "one hundred twenty-one million, three hundred twenty-five thousand, two hundred ninety".