1142734 has 8 divisors (see below), whose sum is σ = 1718640. Its totient is φ = 569856.

The previous prime is 1142707. The next prime is 1142737. The reversal of 1142734 is 4372411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142737) 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 3 ways as a sum of consecutive naturals, for example, 1102 + ... + 1870.

It is an arithmetic number, because the mean of its divisors is an integer number (214830).

2^1142734 is an apocalyptic number.

1142734 is a deficient number, since it is larger than the sum of its proper divisors (575906).

1142734 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 9 representation: 1142734 = (2131474)₉.

1142734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514.

The product of its digits is 672, while the sum is 22.

The square root of 1142734 is about 1068.9873713005. The cubic root of 1142734 is about 104.5478364354.

It can be divided in two parts, 11 and 42734, that multiplied together give a palindrome (470074).

The spelling of 1142734 in words is "one million, one hundred forty-two thousand, seven hundred thirty-four".