1244106477 has 12 divisors (see below), whose sum is σ = 1855012224. Its totient is φ = 802649160.

The previous prime is 1244106469. The next prime is 1244106481. The reversal of 1244106477 is 7746014421.

It is a happy number.

1244106477 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 1 + 0 + 647 + 7 = 666.

It is not a de Polignac number, because 1244106477 - 2³ = 1244106469 is a prime.

It is a super-2 number, since 2×1244106477² = 3095601852226703058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244106277) 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 11 ways as a sum of consecutive naturals, for example, 2229303 + ... + 2229860.

It is an arithmetic number, because the mean of its divisors is an integer number (154584352).

Almost surely, 2^1244106477 is an apocalyptic number.

It is an amenable number.

1244106477 is a deficient number, since it is larger than the sum of its proper divisors (610905747).

1244106477 is a wasteful number, since it uses less digits than its factorization.

1244106477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459200 (or 4459197 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 1244106477 is about 35271.8935839855. The cubic root of 1244106477 is about 1075.5217159699.

The spelling of 1244106477 in words is "one billion, two hundred forty-four million, one hundred six thousand, four hundred seventy-seven".