1431268 has 6 divisors (see below), whose sum is σ = 2504726. Its totient is φ = 715632.

The previous prime is 1431263. The next prime is 1431277. The reversal of 1431268 is 8621341.

It can be written as a sum of positive squares in only one way, i.e., 1420864 + 10404 = 1192^2 + 102^2 .

It is not an unprimeable number, because it can be changed into a prime (1431263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178905 + ... + 178912.

2^1431268 is an apocalyptic number.

It is an amenable number.

1431268 is a deficient number, since it is larger than the sum of its proper divisors (1073458).

1431268 is a wasteful number, since it uses less digits than its factorization.

1431268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357821 (or 357819 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 1431268 is about 1196.3561342677. The cubic root of 1431268 is about 112.6956070204.

The spelling of 1431268 in words is "one million, four hundred thirty-one thousand, two hundred sixty-eight".