1142049 has 8 divisors (see below), whose sum is σ = 1575360. Its totient is φ = 735056.

The previous prime is 1142041. The next prime is 1142059. The reversal of 1142049 is 9402411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142049 - 2³ = 1142041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6477 + ... + 6650.

It is an arithmetic number, because the mean of its divisors is an integer number (196920).

2^1142049 is an apocalyptic number.

It is an amenable number.

1142049 is a deficient number, since it is larger than the sum of its proper divisors (433311).

1142049 is a wasteful number, since it uses less digits than its factorization.

1142049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13159.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1142049 is about 1068.6669265959. Note that the first 3 decimals coincide. The cubic root of 1142049 is about 104.5269422225.

It can be divided in two parts, 114 and 2049, that multiplied together give a triangular number (233586 = T₆₈₃).

The spelling of 1142049 in words is "one million, one hundred forty-two thousand, forty-nine".