1201019 has 2 divisors, whose sum is σ = 1201020. Its totient is φ = 1201018.

The previous prime is 1201003. The next prime is 1201021. The reversal of 1201019 is 9101021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201019 - 2⁴ = 1201003 is a prime.

It is a super-2 number, since 2×1201019² = 2884893276722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1201021, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 1200994 and 1201012.

It is not a weakly prime, because it can be changed into another prime (1201049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600509 + 600510.

It is an arithmetic number, because the mean of its divisors is an integer number (600510).

2^1201019 is an apocalyptic number.

1201019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201019 is an equidigital number, since it uses as much as digits as its factorization.

1201019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1201019 is about 1095.9101240522. The cubic root of 1201019 is about 106.2959275494.

The spelling of 1201019 in words is "one million, two hundred one thousand, nineteen".