1301428519 has 6 divisors (see below), whose sum is σ = 1333946600. Its totient is φ = 1269684720.

The previous prime is 1301428511. The next prime is 1301428547. The reversal of 1301428519 is 9158241031.

It is not a de Polignac number, because 1301428519 - 2³ = 1301428511 is a prime.

It is a super-2 number, since 2×1301428519² = 3387432380133066722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301428511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 385419 + ... + 388780.

Almost surely, 2^1301428519 is an apocalyptic number.

1301428519 is a deficient number, since it is larger than the sum of its proper divisors (32518081).

1301428519 is an frugal number, since it uses more digits than its factorization.

1301428519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774281 (or 774240 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1301428519 is about 36075.3173097618. The cubic root of 1301428519 is about 1091.7924996635.

The spelling of 1301428519 in words is "one billion, three hundred one million, four hundred twenty-eight thousand, five hundred nineteen".