121035145 has 48 divisors (see below), whose sum is σ = 186617088. Its totient is φ = 74511360.

The previous prime is 121035139. The next prime is 121035179. The reversal of 121035145 is 541530121.

It is a happy number.

It is not a de Polignac number, because 121035145 - 2¹⁵ = 121002377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261184 + ... + 261646.

It is an arithmetic number, because the mean of its divisors is an integer number (3887856).

Almost surely, 2^121035145 is an apocalyptic number.

It is an amenable number.

121035145 is a deficient number, since it is larger than the sum of its proper divisors (65581943).

121035145 is a wasteful number, since it uses less digits than its factorization.

121035145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 121035145 is about 11001.5973840166. The cubic root of 121035145 is about 494.6566268086.

Adding to 121035145 its reverse (541530121), we get a palindrome (662565266).

The spelling of 121035145 in words is "one hundred twenty-one million, thirty-five thousand, one hundred forty-five".