1241190019 has 4 divisors (see below), whose sum is σ = 1258192696. Its totient is φ = 1224187344.

The previous prime is 1241190017. The next prime is 1241190047. The reversal of 1241190019 is 9100911421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1241190019 - 2¹ = 1241190017 is a prime.

It is a super-2 number, since 2×1241190019² = 3081105326530440722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241190017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8501229 + ... + 8501374.

It is an arithmetic number, because the mean of its divisors is an integer number (314548174).

Almost surely, 2^1241190019 is an apocalyptic number.

1241190019 is a deficient number, since it is larger than the sum of its proper divisors (17002677).

1241190019 is an equidigital number, since it uses as much as digits as its factorization.

1241190019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17002676.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 1241190019 is about 35230.5268055986. The cubic root of 1241190019 is about 1074.6806389356.

The spelling of 1241190019 in words is "one billion, two hundred forty-one million, one hundred ninety thousand, nineteen".