121435041 has 16 divisors (see below), whose sum is σ = 199278464. Its totient is φ = 64053504.

The previous prime is 121435037. The next prime is 121435057. The reversal of 121435041 is 140534121.

It is not a de Polignac number, because 121435041 - 2² = 121435037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121434999 and 121435017.

It is not an unprimeable number, because it can be changed into a prime (121435541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222136 + ... + 222681.

It is an arithmetic number, because the mean of its divisors is an integer number (12454904).

Almost surely, 2^121435041 is an apocalyptic number.

It is an amenable number.

121435041 is a deficient number, since it is larger than the sum of its proper divisors (77843423).

121435041 is a wasteful number, since it uses less digits than its factorization.

121435041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444840.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 121435041 is about 11019.7568484972. The cubic root of 121435041 is about 495.2008041537.

Adding to 121435041 its reverse (140534121), we get a palindrome (261969162).

The spelling of 121435041 in words is "one hundred twenty-one million, four hundred thirty-five thousand, forty-one".