1201214519 has 2 divisors, whose sum is σ = 1201214520. Its totient is φ = 1201214518.

The previous prime is 1201214477. The next prime is 1201214527. The reversal of 1201214519 is 9154121021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201214519 - 2¹⁶ = 1201148983 is a prime.

It is a super-2 number, since 2×1201214519² = 2885832641312802722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201214549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600607259 + 600607260.

It is an arithmetic number, because the mean of its divisors is an integer number (600607260).

Almost surely, 2^1201214519 is an apocalyptic number.

1201214519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201214519 is an equidigital number, since it uses as much as digits as its factorization.

1201214519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1201214519 is about 34658.5417898676. The cubic root of 1201214519 is about 1063.0169535870.

The spelling of 1201214519 in words is "one billion, two hundred one million, two hundred fourteen thousand, five hundred nineteen".