1012402432 has 18 divisors (see below), whose sum is σ = 2020850678. Its totient is φ = 506201088.

The previous prime is 1012402429. The next prime is 1012402439. The reversal of 1012402432 is 2342042101.

It can be written as a sum of positive squares in only one way, i.e., 967458816 + 44943616 = 31104^2 + 6704^2 .

It is not an unprimeable number, because it can be changed into a prime (1012402439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977093 + ... + 1977604.

Almost surely, 2^1012402432 is an apocalyptic number.

It is an amenable number.

1012402432 is a deficient number, since it is larger than the sum of its proper divisors (1008448246).

1012402432 is an frugal number, since it uses more digits than its factorization.

1012402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954713 (or 3954699 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1012402432 is about 31818.2719832489. The cubic root of 1012402432 is about 1004.1171696506.

Adding to 1012402432 its reverse (2342042101), we get a palindrome (3354444533).

The spelling of 1012402432 in words is "one billion, twelve million, four hundred two thousand, four hundred thirty-two".