1211001070 has 8 divisors (see below), whose sum is σ = 2179801944. Its totient is φ = 484400424.

The previous prime is 1211001047. The next prime is 1211001089. The reversal of 1211001070 is 701001121.

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

It is a super-2 number, since 2×1211001070² = 2933047183082289800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1211001070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60550044 + ... + 60550063.

It is an arithmetic number, because the mean of its divisors is an integer number (272475243).

Almost surely, 2^1211001070 is an apocalyptic number.

1211001070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211001070 is a deficient number, since it is larger than the sum of its proper divisors (968800874).

1211001070 is a wasteful number, since it uses less digits than its factorization.

1211001070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121100114.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 1211001070 is about 34799.4406564244. The cubic root of 1211001070 is about 1065.8960242001.

Adding to 1211001070 its reverse (701001121), we get a palindrome (1912002191).

The spelling of 1211001070 in words is "one billion, two hundred eleven million, one thousand, seventy".