120857441 has 4 divisors (see below), whose sum is σ = 122103492. Its totient is φ = 119611392.

The previous prime is 120857417. The next prime is 120857447. The reversal of 120857441 is 144758021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144758021 = 23 ⋅6293827.

It can be written as a sum of positive squares in 2 ways, for example, as 92544400 + 28313041 = 9620^2 + 5321^2 .

It is a cyclic number.

It is not a de Polignac number, because 120857441 - 2⁶ = 120857377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120857398 and 120857407.

It is not an unprimeable number, because it can be changed into a prime (120857447) 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, 622880 + ... + 623073.

It is an arithmetic number, because the mean of its divisors is an integer number (30525873).

Almost surely, 2^120857441 is an apocalyptic number.

It is an amenable number.

120857441 is a deficient number, since it is larger than the sum of its proper divisors (1246051).

120857441 is an equidigital number, since it uses as much as digits as its factorization.

120857441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246050.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 120857441 is about 10993.5181357016. The cubic root of 120857441 is about 494.4144230095.

The spelling of 120857441 in words is "one hundred twenty million, eight hundred fifty-seven thousand, four hundred forty-one".