1142051 has 4 divisors (see below), whose sum is σ = 1144704. Its totient is φ = 1139400.

The previous prime is 1142041. The next prime is 1142059. The reversal of 1142051 is 1502411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1502411 = 631 ⋅2381.

It is a cyclic number.

It is not a de Polignac number, because 1142051 - 2¹⁰ = 1141027 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515 + ... + 1596.

It is an arithmetic number, because the mean of its divisors is an integer number (286176).

2^1142051 is an apocalyptic number.

1142051 is a deficient number, since it is larger than the sum of its proper divisors (2653).

1142051 is an equidigital number, since it uses as much as digits as its factorization.

1142051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1142051 is about 1068.6678623408. The cubic root of 1142051 is about 104.5270032397.

Adding to 1142051 its reverse (1502411), we get a palindrome (2644462).

The spelling of 1142051 in words is "one million, one hundred forty-two thousand, fifty-one".