1283211970 has 8 divisors (see below), whose sum is σ = 2309781564. Its totient is φ = 513284784.

The previous prime is 1283211967. The next prime is 1283211997. The reversal of 1283211970 is 791123821.

It can be written as a sum of positive squares in 2 ways, for example, as 1195845561 + 87366409 = 34581^2 + 9347^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 64160589 + ... + 64160608.

Almost surely, 2^1283211970 is an apocalyptic number.

1283211970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1283211970 is a deficient number, since it is larger than the sum of its proper divisors (1026569594).

1283211970 is a wasteful number, since it uses less digits than its factorization.

1283211970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128321204.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1283211970 is about 35821.9481603109. The cubic root of 1283211970 is about 1086.6744784505.

The spelling of 1283211970 in words is "one billion, two hundred eighty-three million, two hundred eleven thousand, nine hundred seventy".