1244429970 has 96 divisors (see below), whose sum is σ = 3481833600. Its totient is φ = 283820544.

The previous prime is 1244429959. The next prime is 1244429981. The reversal of 1244429970 is 799244421.

It is an interprime number because it is at equal distance from previous prime (1244429959) and next prime (1244429981).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1232826 + ... + 1233834.

It is an arithmetic number, because the mean of its divisors is an integer number (36269100).

Almost surely, 2^1244429970 is an apocalyptic number.

1244429970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244429970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740916800).

1244429970 is an abundant number, since it is smaller than the sum of its proper divisors (2237403630).

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

1244429970 is a wasteful number, since it uses less digits than its factorization.

1244429970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872 (or 1865 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1244429970 is about 35276.4789909651. The cubic root of 1244429970 is about 1075.6149270687.

The spelling of 1244429970 in words is "one billion, two hundred forty-four million, four hundred twenty-nine thousand, nine hundred seventy".