121144235 has 16 divisors (see below), whose sum is σ = 147576000. Its totient is φ = 95458176.

The previous prime is 121144229. The next prime is 121144267. The reversal of 121144235 is 532441121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121144235 is a prime.

It is a super-3 number, since 3×121144235³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121144235.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107897 + ... + 109013.

It is an arithmetic number, because the mean of its divisors is an integer number (9223500).

Almost surely, 2^121144235 is an apocalyptic number.

121144235 is a deficient number, since it is larger than the sum of its proper divisors (26431765).

121144235 is a wasteful number, since it uses less digits than its factorization.

121144235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its digits is 960, while the sum is 23.

The square root of 121144235 is about 11006.5541837580. The cubic root of 121144235 is about 494.8051949163.

Adding to 121144235 its reverse (532441121), we get a palindrome (653585356).

The spelling of 121144235 in words is "one hundred twenty-one million, one hundred forty-four thousand, two hundred thirty-five".