121007575 has 48 divisors (see below), whose sum is σ = 172176480. Its totient is φ = 83704320.

The previous prime is 121007573. The next prime is 121007587. The reversal of 121007575 is 575700121.

It is not a de Polignac number, because 121007575 - 2¹ = 121007573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121007573) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348552 + ... + 348898.

It is an arithmetic number, because the mean of its divisors is an integer number (3587010).

Almost surely, 2^121007575 is an apocalyptic number.

121007575 is a deficient number, since it is larger than the sum of its proper divisors (51168905).

121007575 is a wasteful number, since it uses less digits than its factorization.

121007575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 121007575 is about 11000.3443127931. The cubic root of 121007575 is about 494.6190654903.

Adding to 121007575 its reverse (575700121), we get a palindrome (696707696).

The spelling of 121007575 in words is "one hundred twenty-one million, seven thousand, five hundred seventy-five".