120231602 has 4 divisors (see below), whose sum is σ = 180347406. Its totient is φ = 60115800.

The previous prime is 120231581. The next prime is 120231607. The reversal of 120231602 is 206132021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 206132021 = 17 ⋅12125413.

It can be written as a sum of positive squares in only one way, i.e., 70543201 + 49688401 = 8399^2 + 7049^2 .

It is not an unprimeable number, because it can be changed into a prime (120231607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30057899 + ... + 30057902.

Almost surely, 2^120231602 is an apocalyptic number.

120231602 is a deficient number, since it is larger than the sum of its proper divisors (60115804).

120231602 is an equidigital number, since it uses as much as digits as its factorization.

120231602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60115803.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 120231602 is about 10965.0171910490. The cubic root of 120231602 is about 493.5595329662.

Adding to 120231602 its reverse (206132021), we get a palindrome (326363623).

It can be divided in two parts, 120 and 231602, that multiplied together give a triangular number (27792240 = T₇₄₅₅).

The spelling of 120231602 in words is "one hundred twenty million, two hundred thirty-one thousand, six hundred two".