1248774244 has 9 divisors (see below), whose sum is σ = 2185478617. Its totient is φ = 624351784.

The previous prime is 1248774239. The next prime is 1248774257. The reversal of 1248774244 is 4424778421.

The square root of 1248774244 is 35338.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 247684644 + 1001089600 = 15738^2 + 31640^2 .

It is a super-2 number, since 2×1248774244² = 3118874224955543072, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1248774244.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 61842 + ... + 79510.

Almost surely, 2^1248774244 is an apocalyptic number.

1248774244 is the 35338-th square number.

It is an amenable number.

1248774244 is a deficient number, since it is larger than the sum of its proper divisors (936704373).

1248774244 is an frugal number, since it uses more digits than its factorization.

1248774244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35342 (or 17671 counting only the distinct ones).

The product of its digits is 401408, while the sum is 43.

The cubic root of 1248774244 is about 1076.8651216938.

The spelling of 1248774244 in words is "one billion, two hundred forty-eight million, seven hundred seventy-four thousand, two hundred forty-four".