1142913 has 4 divisors (see below), whose sum is σ = 1523888. Its totient is φ = 761940.

The previous prime is 1142909. The next prime is 1142917. The reversal of 1142913 is 3192411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1142909) and next prime (1142917).

It is not a de Polignac number, because 1142913 - 2² = 1142909 is a prime.

It is a D-number.

It is a Duffinian number.

1142913 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142913.

It is not an unprimeable number, because it can be changed into a prime (1142917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190483 + ... + 190488.

It is an arithmetic number, because the mean of its divisors is an integer number (380972).

2^1142913 is an apocalyptic number.

It is an amenable number.

1142913 is a deficient number, since it is larger than the sum of its proper divisors (380975).

1142913 is an equidigital number, since it uses as much as digits as its factorization.

1142913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380974.

The product of its digits is 216, while the sum is 21.

The square root of 1142913 is about 1069.0710921169. The cubic root of 1142913 is about 104.5532950069.

It can be divided in two parts, 11 and 42913, that added together give a palindrome (42924).

The spelling of 1142913 in words is "one million, one hundred forty-two thousand, nine hundred thirteen".