1142377 has 4 divisors (see below), whose sum is σ = 1158100. Its totient is φ = 1126656.

The previous prime is 1142363. The next prime is 1142389. The reversal of 1142377 is 7732411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7732411 = 19 ⋅406969.

It can be written as a sum of positive squares in 2 ways, for example, as 404496 + 737881 = 636^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142377 - 2¹⁵ = 1109609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7752 + ... + 7897.

It is an arithmetic number, because the mean of its divisors is an integer number (289525).

2^1142377 is an apocalyptic number.

It is an amenable number.

1142377 is a deficient number, since it is larger than the sum of its proper divisors (15723).

1142377 is an equidigital number, since it uses as much as digits as its factorization.

1142377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15722.

The product of its digits is 1176, while the sum is 25.

The square root of 1142377 is about 1068.8203777997. The cubic root of 1142377 is about 104.5369480849.

Adding to 1142377 its reverse (7732411), we get a palindrome (8874788).

It can be divided in two parts, 114237 and 7, that added together give a square (114244 = 338²).

The spelling of 1142377 in words is "one million, one hundred forty-two thousand, three hundred seventy-seven".