1244666970 has 48 divisors (see below), whose sum is σ = 3240586440. Its totient is φ = 331454592.

The previous prime is 1244666963. The next prime is 1244666977. The reversal of 1244666970 is 796664421.

It is an interprime number because it is at equal distance from previous prime (1244666963) and next prime (1244666977).

It can be written as a sum of positive squares in 4 ways, for example, as 1143724761 + 100942209 = 33819^2 + 10047^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1244666977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58996 + ... + 77264.

Almost surely, 2^1244666970 is an apocalyptic number.

1244666970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244666970 is an abundant number, since it is smaller than the sum of its proper divisors (1995919470).

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

1244666970 is a wasteful number, since it uses less digits than its factorization.

1244666970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19039 (or 19036 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 1244666970 is about 35279.8380098322. The cubic root of 1244666970 is about 1075.6832058690.

The spelling of 1244666970 in words is "one billion, two hundred forty-four million, six hundred sixty-six thousand, nine hundred seventy".