1244284870 has 8 divisors (see below), whose sum is σ = 2239712784. Its totient is φ = 497713944.

The previous prime is 1244284861. The next prime is 1244284879. The reversal of 1244284870 is 784824421.

It is an interprime number because it is at equal distance from previous prime (1244284861) and next prime (1244284879).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244284879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62214234 + ... + 62214253.

It is an arithmetic number, because the mean of its divisors is an integer number (279964098).

Almost surely, 2^1244284870 is an apocalyptic number.

1244284870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244284870 is a deficient number, since it is larger than the sum of its proper divisors (995427914).

1244284870 is a wasteful number, since it uses less digits than its factorization.

1244284870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124428494.

The product of its (nonzero) digits is 114688, while the sum is 40.

The square root of 1244284870 is about 35274.4223198623. The cubic root of 1244284870 is about 1075.5731200309.

The spelling of 1244284870 in words is "one billion, two hundred forty-four million, two hundred eighty-four thousand, eight hundred seventy".