1125221234 has 8 divisors (see below), whose sum is σ = 1704218880. Its totient is φ = 557148276.

The previous prime is 1125221231. The next prime is 1125221281. The reversal of 1125221234 is 4321225211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1125221234² = 2532245650888965512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1125221231) 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, 2730914 + ... + 2731325.

It is an arithmetic number, because the mean of its divisors is an integer number (213027360).

Almost surely, 2^1125221234 is an apocalyptic number.

1125221234 is a deficient number, since it is larger than the sum of its proper divisors (578997646).

1125221234 is a wasteful number, since it uses less digits than its factorization.

1125221234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462344.

The product of its digits is 960, while the sum is 23.

The square root of 1125221234 is about 33544.3174621276. The cubic root of 1125221234 is about 1040.1100826522.

Adding to 1125221234 its reverse (4321225211), we get a palindrome (5446446445).

The spelling of 1125221234 in words is "one billion, one hundred twenty-five million, two hundred twenty-one thousand, two hundred thirty-four".