1142467 has 6 divisors (see below), whose sum is σ = 1176252. Its totient is φ = 1109052.

The previous prime is 1142431. The next prime is 1142473. The reversal of 1142467 is 7642411.

It is a de Polignac number, because none of the positive numbers 2^k-1142467 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112467) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 6928 + ... + 7090.

It is an arithmetic number, because the mean of its divisors is an integer number (196042).

2^1142467 is an apocalyptic number.

1142467 is a deficient number, since it is larger than the sum of its proper divisors (33785).

1142467 is an frugal number, since it uses more digits than its factorization.

1142467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 206 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 1142467 is about 1068.8624794612. The cubic root of 1142467 is about 104.5396932610.

Adding to 1142467 its reverse (7642411), we get a palindrome (8784878).

The spelling of 1142467 in words is "one million, one hundred forty-two thousand, four hundred sixty-seven".