121325536 has 12 divisors (see below), whose sum is σ = 238859712. Its totient is φ = 60662752.

The previous prime is 121325521. The next prime is 121325539. The reversal of 121325536 is 635523121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121325539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1895680 + ... + 1895743.

It is an arithmetic number, because the mean of its divisors is an integer number (19904976).

Almost surely, 2^121325536 is an apocalyptic number.

121325536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121325536 is a deficient number, since it is larger than the sum of its proper divisors (117534176).

121325536 is an equidigital number, since it uses as much as digits as its factorization.

121325536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791433 (or 3791425 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 121325536 is about 11014.7871518246. The cubic root of 121325536 is about 495.0519089868.

Adding to 121325536 its reverse (635523121), we get a palindrome (756848657).

The spelling of 121325536 in words is "one hundred twenty-one million, three hundred twenty-five thousand, five hundred thirty-six".