1142707 has 2 divisors, whose sum is σ = 1142708. Its totient is φ = 1142706.

The previous prime is 1142693. The next prime is 1142737. The reversal of 1142707 is 7072411.

It is a weak prime.

It is an emirp because it is prime and its reverse (7072411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142707 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 571353 + 571354.

It is an arithmetic number, because the mean of its divisors is an integer number (571354).

2^1142707 is an apocalyptic number.

1142707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142707 is an equidigital number, since it uses as much as digits as its factorization.

1142707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 1142707 is about 1068.9747424519. The cubic root of 1142707 is about 104.5470130260.

It can be divided in two parts, 1142 and 707, that added together give a square (1849 = 43²).

The spelling of 1142707 in words is "one million, one hundred forty-two thousand, seven hundred seven".