1246722412 has 48 divisors (see below), whose sum is σ = 2509113600. Its totient is φ = 537626880.

The previous prime is 1246722409. The next prime is 1246722419. The reversal of 1246722412 is 2142276421.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (1246722419) 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 15 ways as a sum of consecutive naturals, for example, 33414 + ... + 60082.

It is an arithmetic number, because the mean of its divisors is an integer number (52273200).

Almost surely, 2^1246722412 is an apocalyptic number.

It is an amenable number.

1246722412 is an abundant number, since it is smaller than the sum of its proper divisors (1262391188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1246722412 is a wasteful number, since it uses less digits than its factorization.

1246722412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26746 (or 26744 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 1246722412 is about 35308.9565407985. The cubic root of 1246722412 is about 1076.2750076722.

Adding to 1246722412 its reverse (2142276421), we get a palindrome (3388998833).

The spelling of 1246722412 in words is "one billion, two hundred forty-six million, seven hundred twenty-two thousand, four hundred twelve".