1203959 has 2 divisors, whose sum is σ = 1203960. Its totient is φ = 1203958.

The previous prime is 1203953. The next prime is 1203971. The reversal of 1203959 is 9593021.

It is a weak prime.

It is an emirp because it is prime and its reverse (9593021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203959 - 2²⁰ = 155383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601979 + 601980.

It is an arithmetic number, because the mean of its divisors is an integer number (601980).

2^1203959 is an apocalyptic number.

1203959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203959 is an equidigital number, since it uses as much as digits as its factorization.

1203959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 1203959 is about 1097.2506550465. The cubic root of 1203959 is about 106.3825915609.

The spelling of 1203959 in words is "one million, two hundred three thousand, nine hundred fifty-nine".