1301198493 has 16 divisors (see below), whose sum is σ = 2007879680. Its totient is φ = 734129136.

The previous prime is 1301198471. The next prime is 1301198497. The reversal of 1301198493 is 3948911031.

It is a happy number.

It is not a de Polignac number, because 1301198493 - 2⁸ = 1301198237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301198497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390505 + ... + 393822.

It is an arithmetic number, because the mean of its divisors is an integer number (125492480).

Almost surely, 2^1301198493 is an apocalyptic number.

It is an amenable number.

1301198493 is a deficient number, since it is larger than the sum of its proper divisors (706681187).

1301198493 is an equidigital number, since it uses as much as digits as its factorization.

1301198493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784416.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1301198493 is about 36072.1290333687. The cubic root of 1301198493 is about 1091.7281715155.

It can be divided in two parts, 1301198 and 493, that added together give a triangular number (1301691 = T₁₆₁₃).

The spelling of 1301198493 in words is "one billion, three hundred one million, one hundred ninety-eight thousand, four hundred ninety-three".