1229188070 has 16 divisors (see below), whose sum is σ = 2413678608. Its totient is φ = 446977440.

The previous prime is 1229188049. The next prime is 1229188087. The reversal of 1229188070 is 708819221.

It is a super-2 number, since 2×1229188070² = 3021806622860649800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5587109 + ... + 5587328.

It is an arithmetic number, because the mean of its divisors is an integer number (150854913).

Almost surely, 2^1229188070 is an apocalyptic number.

1229188070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1229188070 is a deficient number, since it is larger than the sum of its proper divisors (1184490538).

1229188070 is a wasteful number, since it uses less digits than its factorization.

1229188070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11174455.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 1229188070 is about 35059.7785218332. The cubic root of 1229188070 is about 1071.2054629708.

The spelling of 1229188070 in words is "one billion, two hundred twenty-nine million, one hundred eighty-eight thousand, seventy".