120602021 has 4 divisors (see below), whose sum is σ = 121214412. Its totient is φ = 119989632.

The previous prime is 120602011. The next prime is 120602051. The reversal of 120602021 is 120206021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120206021 = 13 ⋅9246617.

It can be written as a sum of positive squares in 2 ways, for example, as 116337796 + 4264225 = 10786^2 + 2065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120602021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120601987 and 120602005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120602011) 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, 305900 + ... + 306293.

It is an arithmetic number, because the mean of its divisors is an integer number (30303603).

Almost surely, 2^120602021 is an apocalyptic number.

It is an amenable number.

120602021 is a deficient number, since it is larger than the sum of its proper divisors (612391).

120602021 is an equidigital number, since it uses as much as digits as its factorization.

120602021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612390.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120602021 is about 10981.8951461030. The cubic root of 120602021 is about 494.0658790339.

Adding to 120602021 its reverse (120206021), we get a palindrome (240808042).

The spelling of 120602021 in words is "one hundred twenty million, six hundred two thousand, twenty-one".