1430261 has 18 divisors (see below), whose sum is σ = 1784898. Its totient is φ = 1142400.

The previous prime is 1430243. The next prime is 1430279. The reversal of 1430261 is 1620341.

It is an interprime number because it is at equal distance from previous prime (1430243) and next prime (1430279).

It can be written as a sum of positive squares in 3 ways, for example, as 988036 + 442225 = 994^2 + 665^2 .

It is not a de Polignac number, because 1430261 - 2⁶ = 1430197 is a prime.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430201) 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 17 ways as a sum of consecutive naturals, for example, 14111 + ... + 14211.

It is an arithmetic number, because the mean of its divisors is an integer number (99161).

2^1430261 is an apocalyptic number.

It is an amenable number.

1430261 is a deficient number, since it is larger than the sum of its proper divisors (354637).

1430261 is a wasteful number, since it uses less digits than its factorization.

1430261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1430261 is about 1195.9351989134. The cubic root of 1430261 is about 112.6691709973.

The spelling of 1430261 in words is "one million, four hundred thirty thousand, two hundred sixty-one".