1202342111 has 2 divisors, whose sum is σ = 1202342112. Its totient is φ = 1202342110.

The previous prime is 1202342101. The next prime is 1202342129. The reversal of 1202342111 is 1112432021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202342111 - 2²² = 1198147807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1202342111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202342101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601171055 + 601171056.

It is an arithmetic number, because the mean of its divisors is an integer number (601171056).

Almost surely, 2^1202342111 is an apocalyptic number.

1202342111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202342111 is an equidigital number, since it uses as much as digits as its factorization.

1202342111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1202342111 is about 34674.8051328338. The cubic root of 1202342111 is about 1063.3494710871.

Adding to 1202342111 its reverse (1112432021), we get a palindrome (2314774132).

The spelling of 1202342111 in words is "one billion, two hundred two million, three hundred forty-two thousand, one hundred eleven".