1202120239 has 2 divisors, whose sum is σ = 1202120240. Its totient is φ = 1202120238.

The previous prime is 1202120197. The next prime is 1202120243. The reversal of 1202120239 is 9320212021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202120239 - 2¹³ = 1202112047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202120279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601060119 + 601060120.

It is an arithmetic number, because the mean of its divisors is an integer number (601060120).

Almost surely, 2^1202120239 is an apocalyptic number.

1202120239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202120239 is an equidigital number, since it uses as much as digits as its factorization.

1202120239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1202120239 is about 34671.6056593865. The cubic root of 1202120239 is about 1063.2840593142.

The spelling of 1202120239 in words is "one billion, two hundred two million, one hundred twenty thousand, two hundred thirty-nine".