1001430 has 32 divisors (see below), whose sum is σ = 2671200. Its totient is φ = 266976.

The previous prime is 1001411. The next prime is 1001431. The reversal of 1001430 is 341001.

1001430 = T₁₁₅ + T₁₁₆ + ... + T₁₉₅.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001431) 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 15 ways as a sum of consecutive naturals, for example, 1585 + ... + 2124.

It is an arithmetic number, because the mean of its divisors is an integer number (83475).

2^1001430 is an apocalyptic number.

1001430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001430 is an abundant number, since it is smaller than the sum of its proper divisors (1669770).

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

1001430 is a wasteful number, since it uses less digits than its factorization.

1001430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725 (or 3719 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1001430 is about 1000.7147445701. The cubic root of 1001430 is about 100.0476439636.

Adding to 1001430 its reverse (341001), we get a palindrome (1342431).

It can be divided in two parts, 1001 and 430, that added together give a triangular number (1431 = T₅₃).

The spelling of 1001430 in words is "one million, one thousand, four hundred thirty".