1244863046 has 32 divisors (see below), whose sum is σ = 2302240320. Its totient is φ = 492650496.

The previous prime is 1244863027. The next prime is 1244863057. The reversal of 1244863046 is 6403684421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36731 + ... + 61958.

It is an arithmetic number, because the mean of its divisors is an integer number (71945010).

Almost surely, 2^1244863046 is an apocalyptic number.

1244863046 is a deficient number, since it is larger than the sum of its proper divisors (1057377274).

1244863046 is a wasteful number, since it uses less digits than its factorization.

1244863046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98768.

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 1244863046 is about 35282.6167680347. The cubic root of 1244863046 is about 1075.7396880689.

The spelling of 1244863046 in words is "one billion, two hundred forty-four million, eight hundred sixty-three thousand, forty-six".