1148722 has 8 divisors (see below), whose sum is σ = 1755756. Its totient is φ = 563472.

The previous prime is 1148713. The next prime is 1148729. The reversal of 1148722 is 2278411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1147041 + 1681 = 1071^2 + 41^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1148729) 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, 5313 + ... + 5524.

2^1148722 is an apocalyptic number.

1148722 is a deficient number, since it is larger than the sum of its proper divisors (607034).

1148722 is a wasteful number, since it uses less digits than its factorization.

1148722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10892.

The product of its digits is 896, while the sum is 25.

The square root of 1148722 is about 1071.7844932635. The cubic root of 1148722 is about 104.7301308665.

It can be divided in two parts, 114 and 8722, that added together give a square (8836 = 94²).

The spelling of 1148722 in words is "one million, one hundred forty-eight thousand, seven hundred twenty-two".