1418542 has 4 divisors (see below), whose sum is σ = 2127816. Its totient is φ = 709270.

The previous prime is 1418513. The next prime is 1418551. The reversal of 1418542 is 2458141.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1418542² = 4024522811528, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354634 + ... + 354637.

It is an arithmetic number, because the mean of its divisors is an integer number (531954).

2^1418542 is an apocalyptic number.

1418542 is a deficient number, since it is larger than the sum of its proper divisors (709274).

1418542 is an equidigital number, since it uses as much as digits as its factorization.

1418542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709273.

The product of its digits is 1280, while the sum is 25.

The square root of 1418542 is about 1191.0256084568. The cubic root of 1418542 is about 112.3606043046.

The spelling of 1418542 in words is "one million, four hundred eighteen thousand, five hundred forty-two".