1201222130 has 16 divisors (see below), whose sum is σ = 2164135320. Its totient is φ = 480058752.

The previous prime is 1201222129. The next prime is 1201222177. The reversal of 1201222130 is 312221021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1060348969 + 140873161 = 32563^2 + 11869^2 .

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, 41909 + ... + 64488.

Almost surely, 2^1201222130 is an apocalyptic number.

1201222130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201222130 is a deficient number, since it is larger than the sum of its proper divisors (962913190).

1201222130 is a wasteful number, since it uses less digits than its factorization.

1201222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107533.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1201222130 is about 34658.6515894661. The cubic root of 1201222130 is about 1063.0191987050.

Adding to 1201222130 its reverse (312221021), we get a palindrome (1513443151).

The spelling of 1201222130 in words is "one billion, two hundred one million, two hundred twenty-two thousand, one hundred thirty".