121125527 has 8 divisors (see below), whose sum is σ = 129114000. Its totient is φ = 113233024.

The previous prime is 121125479. The next prime is 121125553. The reversal of 121125527 is 725521121.

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

It is a cyclic number.

It is not a de Polignac number, because 121125527 - 2¹² = 121121431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121125496 and 121125505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21377 + ... + 26442.

It is an arithmetic number, because the mean of its divisors is an integer number (16139250).

Almost surely, 2^121125527 is an apocalyptic number.

121125527 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

121125527 is a deficient number, since it is larger than the sum of its proper divisors (7988473).

121125527 is a wasteful number, since it uses less digits than its factorization.

121125527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47985.

The product of its digits is 1400, while the sum is 26.

The square root of 121125527 is about 11005.7042936833. The cubic root of 121125527 is about 494.7797230972.

Adding to 121125527 its reverse (725521121), we get a palindrome (846646648).

The spelling of 121125527 in words is "one hundred twenty-one million, one hundred twenty-five thousand, five hundred twenty-seven".