1200021114 has 16 divisors (see below), whose sum is σ = 2526360480. Its totient is φ = 378954000.

The previous prime is 1200021107. The next prime is 1200021149. The reversal of 1200021114 is 4111200021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200021114.

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, 5263137 + ... + 5263364.

It is an arithmetic number, because the mean of its divisors is an integer number (157897530).

Almost surely, 2^1200021114 is an apocalyptic number.

1200021114 is an abundant number, since it is smaller than the sum of its proper divisors (1326339366).

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

1200021114 is a wasteful number, since it uses less digits than its factorization.

1200021114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526525.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1200021114 is about 34641.3209043766. The cubic root of 1200021114 is about 1062.6648016386.

Adding to 1200021114 its reverse (4111200021), we get a palindrome (5311221135).

The spelling of 1200021114 in words is "one billion, two hundred million, twenty-one thousand, one hundred fourteen".