1246406141 has 8 divisors (see below), whose sum is σ = 1272233304. Its totient is φ = 1220664640.

The previous prime is 1246406131. The next prime is 1246406143. The reversal of 1246406141 is 1416046421.

It can be written as a sum of positive squares in 4 ways, for example, as 384983641 + 861422500 = 19621^2 + 29350^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1246406141 - 2¹⁰ = 1246405117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246406143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8411 + ... + 50631.

It is an arithmetic number, because the mean of its divisors is an integer number (159029163).

Almost surely, 2^1246406141 is an apocalyptic number.

It is an amenable number.

1246406141 is a deficient number, since it is larger than the sum of its proper divisors (25827163).

1246406141 is an equidigital number, since it uses as much as digits as its factorization.

1246406141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42831.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1246406141 is about 35304.4776338640. The cubic root of 1246406141 is about 1076.1839894531.

The spelling of 1246406141 in words is "one billion, two hundred forty-six million, four hundred six thousand, one hundred forty-one".