120236261 has 2 divisors, whose sum is σ = 120236262. Its totient is φ = 120236260.

The previous prime is 120236239. The next prime is 120236267. The reversal of 120236261 is 162632021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102131236 + 18105025 = 10106^2 + 4255^2 .

It is a cyclic number.

It is not a de Polignac number, because 120236261 - 2²² = 116041957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120236267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60118130 + 60118131.

It is an arithmetic number, because the mean of its divisors is an integer number (60118131).

Almost surely, 2^120236261 is an apocalyptic number.

It is an amenable number.

120236261 is a deficient number, since it is larger than the sum of its proper divisors (1).

120236261 is an equidigital number, since it uses as much as digits as its factorization.

120236261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 120236261 is about 10965.2296373583. The cubic root of 120236261 is about 493.5659080626.

Adding to 120236261 its reverse (162632021), we get a palindrome (282868282).

The spelling of 120236261 in words is "one hundred twenty million, two hundred thirty-six thousand, two hundred sixty-one".