1156430212 has 48 divisors (see below), whose sum is σ = 2441635840. Its totient is φ = 468169632.

The previous prime is 1156430207. The next prime is 1156430279. The reversal of 1156430212 is 2120346511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192283 + ... + 198205.

Almost surely, 2^1156430212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156430212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220817920).

1156430212 is an abundant number, since it is smaller than the sum of its proper divisors (1285205628).

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

1156430212 is a wasteful number, since it uses less digits than its factorization.

1156430212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6320 (or 6318 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1156430212 is about 34006.3260585439. The cubic root of 1156430212 is about 1049.6386396723.

Adding to 1156430212 its reverse (2120346511), we get a palindrome (3276776723).

The spelling of 1156430212 in words is "one billion, one hundred fifty-six million, four hundred thirty thousand, two hundred twelve".