1427499 has 6 divisors (see below), whose sum is σ = 2061956. Its totient is φ = 951660.

The previous prime is 1427483. The next prime is 1427501. The reversal of 1427499 is 9947241.

It is not a de Polignac number, because 1427499 - 2⁴ = 1427483 is a prime.

It is a Duffinian number.

1427499 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1427479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79297 + ... + 79314.

2^1427499 is an apocalyptic number.

1427499 is a deficient number, since it is larger than the sum of its proper divisors (634457).

1427499 is a wasteful number, since it uses less digits than its factorization.

1427499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158617 (or 158614 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1427499 is about 1194.7798960478. The cubic root of 1427499 is about 112.5965985131.

The spelling of 1427499 in words is "one million, four hundred twenty-seven thousand, four hundred ninety-nine".