1293542 has 4 divisors (see below), whose sum is σ = 1940316. Its totient is φ = 646770.

The previous prime is 1293541. The next prime is 1293553. The reversal of 1293542 is 2453921.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323384 + ... + 323387.

It is an arithmetic number, because the mean of its divisors is an integer number (485079).

2^1293542 is an apocalyptic number.

1293542 is a deficient number, since it is larger than the sum of its proper divisors (646774).

1293542 is an equidigital number, since it uses as much as digits as its factorization.

1293542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646773.

The product of its digits is 2160, while the sum is 26.

The square root of 1293542 is about 1137.3398788401. The cubic root of 1293542 is about 108.9582647503.

The spelling of 1293542 in words is "one million, two hundred ninety-three thousand, five hundred forty-two".