1246082401 has 4 divisors (see below), whose sum is σ = 1246579204. Its totient is φ = 1245585600.

The previous prime is 1246082393. The next prime is 1246082407. The reversal of 1246082401 is 1042806421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1042806421 = 971 ⋅1073951.

It can be written as a sum of positive squares in 2 ways, for example, as 165251025 + 1080831376 = 12855^2 + 32876^2 .

It is a cyclic number.

It is not a de Polignac number, because 1246082401 - 2³ = 1246082393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1246082401.

It is not an unprimeable number, because it can be changed into a prime (1246082407) 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, 244620 + ... + 249661.

It is an arithmetic number, because the mean of its divisors is an integer number (311644801).

Almost surely, 2^1246082401 is an apocalyptic number.

It is an amenable number.

1246082401 is a deficient number, since it is larger than the sum of its proper divisors (496803).

1246082401 is an equidigital number, since it uses as much as digits as its factorization.

1246082401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496802.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1246082401 is about 35299.8923652750. The cubic root of 1246082401 is about 1076.0908058157.

Adding to 1246082401 its reverse (1042806421), we get a palindrome (2288888822).

The spelling of 1246082401 in words is "one billion, two hundred forty-six million, eighty-two thousand, four hundred one".