1248542 has 4 divisors (see below), whose sum is σ = 1872816. Its totient is φ = 624270.

The previous prime is 1248539. The next prime is 1248551. The reversal of 1248542 is 2458421.

It is a happy number.

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

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, 312134 + ... + 312137.

It is an arithmetic number, because the mean of its divisors is an integer number (468204).

2^1248542 is an apocalyptic number.

1248542 is a deficient number, since it is larger than the sum of its proper divisors (624274).

1248542 is an equidigital number, since it uses as much as digits as its factorization.

1248542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624273.

The product of its digits is 2560, while the sum is 26.

The square root of 1248542 is about 1117.3817610826. The cubic root of 1248542 is about 107.6798359969.

The spelling of 1248542 in words is "one million, two hundred forty-eight thousand, five hundred forty-two".