1227880113 has 16 divisors (see below), whose sum is σ = 1684453056. Its totient is φ = 795026880.

The previous prime is 1227880103. The next prime is 1227880127. The reversal of 1227880113 is 3110887221.

It is not a de Polignac number, because 1227880113 - 2¹⁷ = 1227749041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1227880103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53695 + ... + 73067.

It is an arithmetic number, because the mean of its divisors is an integer number (105278316).

Almost surely, 2^1227880113 is an apocalyptic number.

It is an amenable number.

1227880113 is a deficient number, since it is larger than the sum of its proper divisors (456572943).

1227880113 is a wasteful number, since it uses less digits than its factorization.

1227880113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19984.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 1227880113 is about 35041.1203159945. The cubic root of 1227880113 is about 1070.8253779454.

The spelling of 1227880113 in words is "one billion, two hundred twenty-seven million, eight hundred eighty thousand, one hundred thirteen".