1214155232 has 48 divisors (see below), whose sum is σ = 2538436320. Its totient is φ = 569683968.

The previous prime is 1214155231. The next prime is 1214155237. The reversal of 1214155232 is 2325514121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214155231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192188 + ... + 198404.

It is an arithmetic number, because the mean of its divisors is an integer number (52884090).

Almost surely, 2^1214155232 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 1214155232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269218160).

1214155232 is an abundant number, since it is smaller than the sum of its proper divisors (1324281088).

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

1214155232 is a wasteful number, since it uses less digits than its factorization.

1214155232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6603 (or 6595 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 1214155232 is about 34844.7303332943. The cubic root of 1214155232 is about 1066.8206295120.

Adding to 1214155232 its reverse (2325514121), we get a palindrome (3539669353).

The spelling of 1214155232 in words is "one billion, two hundred fourteen million, one hundred fifty-five thousand, two hundred thirty-two".