1142501 has 4 divisors (see below), whose sum is σ = 1145004. Its totient is φ = 1140000.

The previous prime is 1142483. The next prime is 1142503. The reversal of 1142501 is 1052411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1052411 = 23 ⋅45757.

It can be written as a sum of positive squares in 2 ways, for example, as 504100 + 638401 = 710^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142501 - 2¹⁰ = 1141477 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 (1142503) 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, 350 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (286251).

2^1142501 is an apocalyptic number.

It is an amenable number.

1142501 is a deficient number, since it is larger than the sum of its proper divisors (2503).

1142501 is an equidigital number, since it uses as much as digits as its factorization.

1142501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

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

The square root of 1142501 is about 1068.8783841018. The cubic root of 1142501 is about 104.5407302900.

Adding to 1142501 its reverse (1052411), we get a palindrome (2194912).

The spelling of 1142501 in words is "one million, one hundred forty-two thousand, five hundred one".