121044071 has 4 divisors (see below), whose sum is σ = 122175432. Its totient is φ = 119912712.

The previous prime is 121044059. The next prime is 121044073. The reversal of 121044071 is 170440121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170440121 = 10181 ⋅16741.

It is a cyclic number.

It is not a de Polignac number, because 121044071 - 2²² = 116849767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121044073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565520 + ... + 565733.

It is an arithmetic number, because the mean of its divisors is an integer number (30543858).

Almost surely, 2^121044071 is an apocalyptic number.

121044071 is a deficient number, since it is larger than the sum of its proper divisors (1131361).

121044071 is a wasteful number, since it uses less digits than its factorization.

121044071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131360.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 121044071 is about 11002.0030449005. The cubic root of 121044071 is about 494.6687863526.

Adding to 121044071 its reverse (170440121), we get a palindrome (291484192).

The spelling of 121044071 in words is "one hundred twenty-one million, forty-four thousand, seventy-one".