1201440419 has 2 divisors, whose sum is σ = 1201440420. Its totient is φ = 1201440418.

The previous prime is 1201440407. The next prime is 1201440451. The reversal of 1201440419 is 9140441021.

It is a weak prime.

It is an emirp because it is prime and its reverse (9140441021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201440419 is a prime.

It is a super-2 number, since 2×1201440419² = 2886918160813791122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1201440479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600720209 + 600720210.

It is an arithmetic number, because the mean of its divisors is an integer number (600720210).

Almost surely, 2^1201440419 is an apocalyptic number.

1201440419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201440419 is an equidigital number, since it uses as much as digits as its factorization.

1201440419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1201440419 is about 34661.8005735421. The cubic root of 1201440419 is about 1063.0835862810.

The spelling of 1201440419 in words is "one billion, two hundred one million, four hundred forty thousand, four hundred nineteen".