1248248247 has 16 divisors (see below), whose sum is σ = 1761767040. Its totient is φ = 784782432.

The previous prime is 1248248227. The next prime is 1248248327. The reversal of 1248248247 is 7428428421.

It is not a de Polignac number, because 1248248247 - 2¹⁴ = 1248231863 is a prime.

It is a super-2 number, since 2×1248248247² = 3116247372277146018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1248248199 and 1248248208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248248207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163093 + ... + 170574.

It is an arithmetic number, because the mean of its divisors is an integer number (110110440).

Almost surely, 2^1248248247 is an apocalyptic number.

1248248247 is a deficient number, since it is larger than the sum of its proper divisors (513518793).

1248248247 is a wasteful number, since it uses less digits than its factorization.

1248248247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333742.

The product of its digits is 229376, while the sum is 42.

The square root of 1248248247 is about 35330.5568453145. The cubic root of 1248248247 is about 1076.7139047777.

The spelling of 1248248247 in words is "one billion, two hundred forty-eight million, two hundred forty-eight thousand, two hundred forty-seven".