1246481146 has 4 divisors (see below), whose sum is σ = 1869721722. Its totient is φ = 623240572.

The previous prime is 1246481143. The next prime is 1246481167. The reversal of 1246481146 is 6411846421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6411846421 = 1723 ⋅3721327.

It can be written as a sum of positive squares in only one way, i.e., 641862225 + 604618921 = 25335^2 + 24589^2 .

It is not an unprimeable number, because it can be changed into a prime (1246481143) 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 as a sum of consecutive naturals, namely, 311620285 + ... + 311620288.

Almost surely, 2^1246481146 is an apocalyptic number.

1246481146 is a deficient number, since it is larger than the sum of its proper divisors (623240576).

1246481146 is an equidigital number, since it uses as much as digits as its factorization.

1246481146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623240575.

The product of its digits is 36864, while the sum is 37.

The square root of 1246481146 is about 35305.5398769088. The cubic root of 1246481146 is about 1076.2055761998.

The spelling of 1246481146 in words is "one billion, two hundred forty-six million, four hundred eighty-one thousand, one hundred forty-six".