1227143930 has 16 divisors (see below), whose sum is σ = 2209278240. Its totient is φ = 490764432.

The previous prime is 1227143917. The next prime is 1227143969. The reversal of 1227143930 is 393417221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72977 + ... + 88203.

It is an arithmetic number, because the mean of its divisors is an integer number (138079890).

Almost surely, 2^1227143930 is an apocalyptic number.

1227143930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1227143930 is a deficient number, since it is larger than the sum of its proper divisors (982134310).

1227143930 is a wasteful number, since it uses less digits than its factorization.

1227143930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23293.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1227143930 is about 35030.6141824548. The cubic root of 1227143930 is about 1070.6113285358.

The spelling of 1227143930 in words is "one billion, two hundred twenty-seven million, one hundred forty-three thousand, nine hundred thirty".