1248761 has 4 divisors (see below), whose sum is σ = 1251072. Its totient is φ = 1246452.

The previous prime is 1248757. The next prime is 1248781. The reversal of 1248761 is 1678421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1248761 - 2² = 1248757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1248721) 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, 140 + ... + 1586.

It is an arithmetic number, because the mean of its divisors is an integer number (312768).

2^1248761 is an apocalyptic number.

It is an amenable number.

1248761 is a deficient number, since it is larger than the sum of its proper divisors (2311).

1248761 is an equidigital number, since it uses as much as digits as its factorization.

1248761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310.

The product of its digits is 2688, while the sum is 29.

The square root of 1248761 is about 1117.4797537316. The cubic root of 1248761 is about 107.6861314747.

The spelling of 1248761 in words is "one million, two hundred forty-eight thousand, seven hundred sixty-one".