1071430 has 16 divisors (see below), whose sum is σ = 1940400. Its totient is φ = 425952.

The previous prime is 1071419. The next prime is 1071439. The reversal of 1071430 is 341701.

It is a super-2 number, since 2×1071430² = 2295924489800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2896 + ... + 3244.

It is an arithmetic number, because the mean of its divisors is an integer number (121275).

2^1071430 is an apocalyptic number.

1071430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1071430 is a deficient number, since it is larger than the sum of its proper divisors (868970).

1071430 is a wasteful number, since it uses less digits than its factorization.

1071430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1071430 is about 1035.0990290789. The cubic root of 1071430 is about 102.3264562878.

The spelling of 1071430 in words is "one million, seventy-one thousand, four hundred thirty".