1200220134 has 16 divisors (see below), whose sum is σ = 2465317488. Its totient is φ = 389260512.

The previous prime is 1200220081. The next prime is 1200220157. The reversal of 1200220134 is 4310220021.

It is a congruent number.

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, 2702977 + ... + 2703420.

It is an arithmetic number, because the mean of its divisors is an integer number (154082343).

Almost surely, 2^1200220134 is an apocalyptic number.

1200220134 is an abundant number, since it is smaller than the sum of its proper divisors (1265097354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200220134 is a wasteful number, since it uses less digits than its factorization.

1200220134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5406439.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1200220134 is about 34644.1933662771. The cubic root of 1200220134 is about 1062.7235450100.

Adding to 1200220134 its reverse (4310220021), we get a palindrome (5510440155).

The spelling of 1200220134 in words is "one billion, two hundred million, two hundred twenty thousand, one hundred thirty-four".