1214243432 has 16 divisors (see below), whose sum is σ = 2297595300. Its totient is φ = 601551360.

The previous prime is 1214243389. The next prime is 1214243441. The reversal of 1214243432 is 2343424121.

It can be written as a sum of positive squares in 2 ways, for example, as 949009636 + 265233796 = 30806^2 + 16286^2 .

It is a super-2 number, since 2×1214243432² = 2948774224310277248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695369 + ... + 697112.

Almost surely, 2^1214243432 is an apocalyptic number.

It is an amenable number.

1214243432 is a deficient number, since it is larger than the sum of its proper divisors (1083351868).

1214243432 is a wasteful number, since it uses less digits than its factorization.

1214243432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392596 (or 1392592 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 1214243432 is about 34845.9959249266. The cubic root of 1214243432 is about 1066.8464612724.

Adding to 1214243432 its reverse (2343424121), we get a palindrome (3557667553).

The spelling of 1214243432 in words is "one billion, two hundred fourteen million, two hundred forty-three thousand, four hundred thirty-two".