1228703201 has 4 divisors (see below), whose sum is σ = 1340403504. Its totient is φ = 1117002900.

The previous prime is 1228703183. The next prime is 1228703243. The reversal of 1228703201 is 1023078221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1228703201 - 2⁶ = 1228703137 is a prime.

It is a super-2 number, since 2×1228703201² = 3019423112295292802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1228703501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55850135 + ... + 55850156.

It is an arithmetic number, because the mean of its divisors is an integer number (335100876).

Almost surely, 2^1228703201 is an apocalyptic number.

1228703201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1228703201 is a deficient number, since it is larger than the sum of its proper divisors (111700303).

1228703201 is a wasteful number, since it uses less digits than its factorization.

1228703201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111700302.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1228703201 is about 35052.8629501215. The cubic root of 1228703201 is about 1071.0645942019.

The spelling of 1228703201 in words is "one billion, two hundred twenty-eight million, seven hundred three thousand, two hundred one".