1243054 has 4 divisors (see below), whose sum is σ = 1864584. Its totient is φ = 621526.

The previous prime is 1243013. The next prime is 1243093. The reversal of 1243054 is 4503421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4503421 = 13 ⋅346417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310762 + ... + 310765.

It is an arithmetic number, because the mean of its divisors is an integer number (466146).

2^1243054 is an apocalyptic number.

1243054 is a deficient number, since it is larger than the sum of its proper divisors (621530).

1243054 is an equidigital number, since it uses as much as digits as its factorization.

1243054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621529.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1243054 is about 1114.9233157487. The cubic root of 1243054 is about 107.5218343967.

Adding to 1243054 its reverse (4503421), we get a palindrome (5746475).

The spelling of 1243054 in words is "one million, two hundred forty-three thousand, fifty-four".