1001402432 has 14 divisors (see below), whose sum is σ = 1987158078. Its totient is φ = 500701184.

The previous prime is 1001402377. The next prime is 1001402449. The reversal of 1001402432 is 2342041001.

It can be written as a sum of positive squares in only one way, i.e., 844251136 + 157151296 = 29056^2 + 12536^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1001402432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7823393 + ... + 7823520.

Almost surely, 2^1001402432 is an apocalyptic number.

It is an amenable number.

1001402432 is a deficient number, since it is larger than the sum of its proper divisors (985755646).

1001402432 is an equidigital number, since it uses as much as digits as its factorization.

1001402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15646925 (or 15646915 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1001402432 is about 31644.9432295272. The cubic root of 1001402432 is about 1000.4672589684.

Adding to 1001402432 its reverse (2342041001), we get a palindrome (3343443433).

The spelling of 1001402432 in words is "one billion, one million, four hundred two thousand, four hundred thirty-two".